{"containers": {"cna": {"affected": [{"product": "Cisco NX-OS Software", "vendor": "Cisco", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2021-08-25T00:00:00", "descriptions": [{"lang": "en", "value": "A vulnerability in the MPLS Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper input validation when an affected device is processing an MPLS echo-request or echo-reply packet. An attacker could exploit this vulnerability by sending malicious MPLS echo-request or echo-reply packets to an interface that is enabled for MPLS forwarding on the affected device. A successful exploit could allow the attacker to cause the MPLS OAM process to crash and restart multiple times, causing the affected device to reload and resulting in a DoS condition."}], "exploits": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-126", "description": "CWE-126", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-08-25T19:11:13", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco"}, "references": [{"name": "20210825 Cisco NX-OS Software MPLS OAM Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-mpls-oam-dos-sGO9x5GM"}], "source": {"advisory": "cisco-sa-nxos-mpls-oam-dos-sGO9x5GM", "defect": [["CSCvx48078", "CSCvx66765"]], "discovery": "INTERNAL"}, "title": "Cisco NX-OS Software MPLS OAM Denial of Service Vulnerability", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2021-08-25T16:00:00", "ID": "CVE-2021-1588", "STATE": "PUBLIC", "TITLE": "Cisco NX-OS Software MPLS OAM Denial of Service Vulnerability"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Cisco NX-OS Software", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "Cisco"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A vulnerability in the MPLS Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper input validation when an affected device is processing an MPLS echo-request or echo-reply packet. An attacker could exploit this vulnerability by sending malicious MPLS echo-request or echo-reply packets to an interface that is enabled for MPLS forwarding on the affected device. A successful exploit could allow the attacker to cause the MPLS OAM process to crash and restart multiple times, causing the affected device to reload and resulting in a DoS condition."}]}, "exploit": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "impact": {"cvss": {"baseScore": "8.6", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-126"}]}]}, "references": {"reference_data": [{"name": "20210825 Cisco NX-OS Software MPLS OAM Denial of Service Vulnerability", "refsource": "CISCO", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-mpls-oam-dos-sGO9x5GM"}]}, "source": {"advisory": "cisco-sa-nxos-mpls-oam-dos-sGO9x5GM", "defect": [["CSCvx48078", "CSCvx66765"]], "discovery": "INTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T16:18:10.931Z"}, "title": "CVE Program Container", "references": [{"name": "20210825 Cisco NX-OS Software MPLS OAM Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO", "x_transferred"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-mpls-oam-dos-sGO9x5GM"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-11-07T21:54:25.820055Z", "id": "CVE-2021-1588", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-07T22:02:19.462Z"}}]}, "cveMetadata": {"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2021-1588", "datePublished": "2021-08-25T19:11:13.438325Z", "dateReserved": "2020-11-13T00:00:00", "dateUpdated": "2024-11-07T22:02:19.462Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-mpls-oam-dos-sGO9x5GM", "name": "20210825 Cisco NX-OS Software MPLS OAM Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T16:18:10.931Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-1588", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-11-07T21:54:25.820055Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-07T21:45:31.669Z"}}], "cna": {"title": "Cisco NX-OS Software MPLS OAM Denial of Service Vulnerability", "source": {"defect": [["CSCvx48078", "CSCvx66765"]], "advisory": "cisco-sa-nxos-mpls-oam-dos-sGO9x5GM", "discovery": "INTERNAL"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "Cisco", "product": "Cisco NX-OS Software", "versions": [{"status": "affected", "version": "n/a"}]}], "exploits": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "datePublic": "2021-08-25T00:00:00", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-mpls-oam-dos-sGO9x5GM", "name": "20210825 Cisco NX-OS Software MPLS OAM Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO"]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the MPLS Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper input validation when an affected device is processing an MPLS echo-request or echo-reply packet. An attacker could exploit this vulnerability by sending malicious MPLS echo-request or echo-reply packets to an interface that is enabled for MPLS forwarding on the affected device. A successful exploit could allow the attacker to cause the MPLS OAM process to crash and restart multiple times, causing the affected device to reload and resulting in a DoS condition."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-126", "description": "CWE-126"}]}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2021-08-25T19:11:13"}, "x_legacyV4Record": {"impact": {"cvss": {"version": "3.0", "baseScore": "8.6", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H"}}, "source": {"defect": [["CSCvx48078", "CSCvx66765"]], "advisory": "cisco-sa-nxos-mpls-oam-dos-sGO9x5GM", "discovery": "INTERNAL"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "n/a"}]}, "product_name": "Cisco NX-OS Software"}]}, "vendor_name": "Cisco"}]}}, "exploit": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "data_type": "CVE", "references": {"reference_data": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-mpls-oam-dos-sGO9x5GM", "name": "20210825 Cisco NX-OS Software MPLS OAM Denial of Service Vulnerability", "refsource": "CISCO"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "A vulnerability in the MPLS Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper input validation when an affected device is processing an MPLS echo-request or echo-reply packet. An attacker could exploit this vulnerability by sending malicious MPLS echo-request or echo-reply packets to an interface that is enabled for MPLS forwarding on the affected device. A successful exploit could allow the attacker to cause the MPLS OAM process to crash and restart multiple times, causing the affected device to reload and resulting in a DoS condition."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-126"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-1588", "STATE": "PUBLIC", "TITLE": "Cisco NX-OS Software MPLS OAM Denial of Service Vulnerability", "ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2021-08-25T16:00:00"}}}}, "cveMetadata": {"cveId": "CVE-2021-1588", "state": "PUBLISHED", "dateUpdated": "2024-11-07T22:02:19.462Z", "dateReserved": "2020-11-13T00:00:00", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "datePublished": "2021-08-25T19:11:13.438325Z", "assignerShortName": "cisco"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:nx-os:7.0\\(3\\)i7\\(9\\):*:*:*:*:*:*:*", "matchCriteriaId": "4C1BC928-7DB9-499A-8CF4-90C98218E9D8", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:nx-os:8.4\\(1\\):*:*:*:*:*:*:*", "matchCriteriaId": "2636B1F1-8C40-44A4-B96B-C84EC244685E", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:nx-os:9.3\\(7\\):*:*:*:*:*:*:*", "matchCriteriaId": "C8A71DEB-93CD-4827-9F9E-3A0DFFAD145A", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:cisco:nexus_3000:-:*:*:*:*:*:*:*", "matchCriteriaId": "10FFC5E8-CC5A-4D31-A63A-19E72EC442AB", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_3048:-:*:*:*:*:*:*:*", "matchCriteriaId": "FC2A6C31-438A-4CF5-A3F3-364B1672EB7D", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_31108pc-v:-:*:*:*:*:*:*:*", "matchCriteriaId": "4E930332-CDDD-48D5-93BC-C22D693BBFA2", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_31108tc-v:-:*:*:*:*:*:*:*", "matchCriteriaId": "7BF4B8FE-E134-4491-B5C2-C1CFEB64731B", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_31128pq:-:*:*:*:*:*:*:*", "matchCriteriaId": "F4226DA0-9371-401C-8247-E6E636A116C3", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_3132c-z:-:*:*:*:*:*:*:*", "matchCriteriaId": "7664666F-BCE4-4799-AEEA-3A73E6AD33F4", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_3132q-v:-:*:*:*:*:*:*:*", "matchCriteriaId": "B3293438-3D18-45A2-B093-2C3F65783336", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_3132q-x\\/3132q-xl:-:*:*:*:*:*:*:*", "matchCriteriaId": "E142C18F-9FB5-4D96-866A-141D7D16CAF7", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_3164q:-:*:*:*:*:*:*:*", "matchCriteriaId": "FA782EB3-E8E6-4DCF-B39C-B3CBD46E4384", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_3172pq\\/pq-xl:-:*:*:*:*:*:*:*", "matchCriteriaId": "8EFC116A-627F-4E05-B631-651D161217C8", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_3172tq-xl:-:*:*:*:*:*:*:*", "matchCriteriaId": "F3229124-B097-4AAC-8ACD-2F9C89DCC3AB", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_3232c:-:*:*:*:*:*:*:*", "matchCriteriaId": "652A2849-668D-4156-88FB-C19844A59F33", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_3264c-e:-:*:*:*:*:*:*:*", "matchCriteriaId": "24FBE87B-8A4F-43A8-98A3-4A7D9C630937", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_3264q:-:*:*:*:*:*:*:*", "matchCriteriaId": "6ACD09AC-8B28-4ACB-967B-AB3D450BC137", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_3408-s:-:*:*:*:*:*:*:*", "matchCriteriaId": "7D397349-CCC6-479B-9273-FB1FFF4F34F2", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_34180yc:-:*:*:*:*:*:*:*", "matchCriteriaId": "DC7286A7-780F-4A45-940A-4AD5C9D0F201", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_3432d-s:-:*:*:*:*:*:*:*", "matchCriteriaId": "5F7AF8D7-431B-43CE-840F-CC0817D159C0", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_3464c:-:*:*:*:*:*:*:*", "matchCriteriaId": "DAC204C8-1A5A-4E85-824E-DC9B8F6A802D", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_3524-x\\/xl:-:*:*:*:*:*:*:*", "matchCriteriaId": "E505C0B1-2119-4C6A-BF96-C282C633D169", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_3548-x\\/xl:-:*:*:*:*:*:*:*", "matchCriteriaId": "915EF8F6-6039-4DD0-B875-30D911752B74", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_36180yc-r:-:*:*:*:*:*:*:*", "matchCriteriaId": "95D2C4C3-65CE-4612-A027-AF70CEFC3233", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_3636c-r:-:*:*:*:*:*:*:*", "matchCriteriaId": "57572E4A-78D5-4D1A-938B-F05F01759612", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_7000_10-slot:-:*:*:*:*:*:*:*", "matchCriteriaId": "B22B3865-30E9-4B5A-A37D-DC33F1150FFE", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_7000_18-slot:-:*:*:*:*:*:*:*", "matchCriteriaId": "459A7F11-52BF-4AD6-B495-4C4D6C050493", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_7000_4-slot:-:*:*:*:*:*:*:*", "matchCriteriaId": "FEACA55F-4335-4478-B608-EB92EE1D6C6D", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_7000_9-slot:-:*:*:*:*:*:*:*", "matchCriteriaId": "DB73543E-9B5B-4BA9-8FB4-666AF5AC8B6B", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_9000v:-:*:*:*:*:*:*:*", "matchCriteriaId": "0CD9C1F1-8582-4F67-A77D-97CBFECB88B8", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_92160yc-x:-:*:*:*:*:*:*:*", "matchCriteriaId": "4283E433-7F8C-4410-B565-471415445811", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_92300yc:-:*:*:*:*:*:*:*", "matchCriteriaId": "F80AB6FB-32FD-43D7-A9F1-80FA47696210", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_92304qc:-:*:*:*:*:*:*:*", "matchCriteriaId": "D5B2E4C1-2627-4B9D-8E92-4B483F647651", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_92348gc-x:-:*:*:*:*:*:*:*", "matchCriteriaId": "557ED31C-C26A-4FAE-8B14-D06B49F7F08B", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_9236c:-:*:*:*:*:*:*:*", "matchCriteriaId": "11411BFD-3F4D-4309-AB35-A3629A360FB0", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_9272q:-:*:*:*:*:*:*:*", "matchCriteriaId": "E663DE91-C86D-48DC-B771-FA72A8DF7A7C", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_93108tc-ex:-:*:*:*:*:*:*:*", "matchCriteriaId": "A90184B3-C82F-4CE5-B2AD-97D5E4690871", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_93108tc-ex-24:-:*:*:*:*:*:*:*", "matchCriteriaId": "40E40F42-632A-47DF-BE33-DC25B826310B", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_93108tc-fx:-:*:*:*:*:*:*:*", "matchCriteriaId": "4AB89849-6DA4-4C9D-BC3F-EE0E41FD1901", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_93108tc-fx-24:-:*:*:*:*:*:*:*", "matchCriteriaId": "C47F6BF9-2ADB-41A4-8D7D-8BB00141BB23", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_93108tc-fx3p:-:*:*:*:*:*:*:*", "matchCriteriaId": "BBEF7F26-BB47-44BD-872E-130820557C23", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_93120tx:-:*:*:*:*:*:*:*", "matchCriteriaId": "07DE6F63-2C7D-415B-8C34-01EC05C062F3", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_93128tx:-:*:*:*:*:*:*:*", "matchCriteriaId": "F423E45D-A6DD-4305-9C6A-EAB26293E53A", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_9316d-gx:-:*:*:*:*:*:*:*", "matchCriteriaId": "102F91CD-DFB6-43D4-AE5B-DA157A696230", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_93180lc-ex:-:*:*:*:*:*:*:*", "matchCriteriaId": "E952A96A-0F48-4357-B7DD-1127D8827650", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_93180yc-ex:-:*:*:*:*:*:*:*", "matchCriteriaId": "F70D81F1-8B12-4474-9060-B4934D8A3873", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_93180yc-ex-24:-:*:*:*:*:*:*:*", "matchCriteriaId": "5394DE31-3863-4CA9-B7B1-E5227183100D", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_93180yc-fx:-:*:*:*:*:*:*:*", "matchCriteriaId": "7349D69B-D8FA-4462-AA28-69DD18A652D9", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_93180yc-fx-24:-:*:*:*:*:*:*:*", "matchCriteriaId": "FE4BB834-2C00-4384-A78E-AF3BCDDC58AF", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_93180yc-fx3:-:*:*:*:*:*:*:*", "matchCriteriaId": "B0D30D52-837F-4FDA-B8E5-A9066E9C6D2F", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_93180yc-fx3s:-:*:*:*:*:*:*:*", "matchCriteriaId": "7CE49B45-F2E9-491D-9C29-1B46E9CE14E2", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_93216tc-fx2:-:*:*:*:*:*:*:*", "matchCriteriaId": "B1CC5F78-E88B-4B82-9E3E-C73D3A49DE26", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_93240yc-fx2:-:*:*:*:*:*:*:*", "matchCriteriaId": "91231DC6-2773-4238-8C14-A346F213B5E5", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_9332c:-:*:*:*:*:*:*:*", "matchCriteriaId": "2DF88547-BAF4-47B0-9F60-80A30297FCEB", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_9332pq:-:*:*:*:*:*:*:*", "matchCriteriaId": "113772B6-E9D2-4094-9468-3F4E1A87D07D", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_93360yc-fx2:-:*:*:*:*:*:*:*", "matchCriteriaId": "C45A38D6-BED6-4FEF-AD87-A1E813695DE0", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_9336c-fx2:-:*:*:*:*:*:*:*", "matchCriteriaId": "F1FC2B1F-232E-4754-8076-CC82F3648730", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_9336c-fx2-e:-:*:*:*:*:*:*:*", "matchCriteriaId": "7CDD27C9-5EAF-4956-8AB7-740C84C9D4FC", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_9348gc-fxp:-:*:*:*:*:*:*:*", "matchCriteriaId": "17C7E3DB-8E1A-47AD-B1C5-61747DC0CFB9", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_93600cd-gx:-:*:*:*:*:*:*:*", "matchCriteriaId": "2CF467E2-4567-426E-8F48-39669E0F514C", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_9364c:-:*:*:*:*:*:*:*", "matchCriteriaId": "63842B25-8C32-4988-BBBD-61E9CB09B4F3", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_9364c-gx:-:*:*:*:*:*:*:*", "matchCriteriaId": "68EA1FEF-B6B6-49FE-A0A4-5387F76303F8", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_9372px:-:*:*:*:*:*:*:*", "matchCriteriaId": "4364ADB9-8162-451D-806A-B98924E6B2CF", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_9372px-e:-:*:*:*:*:*:*:*", "matchCriteriaId": "B53BCB42-ED61-4FCF-8068-CB467631C63C", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_9372tx:-:*:*:*:*:*:*:*", "matchCriteriaId": "49E0371B-FDE2-473C-AA59-47E1269D050F", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_9372tx-e:-:*:*:*:*:*:*:*", "matchCriteriaId": "489D11EC-5A18-4F32-BC7C-AC1FCEC27222", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_9396px:-:*:*:*:*:*:*:*", "matchCriteriaId": "1BC5293E-F2B4-46DC-85DA-167EA323FCFD", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_9396tx:-:*:*:*:*:*:*:*", "matchCriteriaId": "EA022E77-6557-4A33-9A3A-D028E2DB669A", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:nexus_9508:-:*:*:*:*:*:*:*", "matchCriteriaId": "DDC2F709-AFBE-48EA-A3A2-DA1134534FB6", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "A vulnerability in the MPLS Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper input validation when an affected device is processing an MPLS echo-request or echo-reply packet. An attacker could exploit this vulnerability by sending malicious MPLS echo-request or echo-reply packets to an interface that is enabled for MPLS forwarding on the affected device. A successful exploit could allow the attacker to cause the MPLS OAM process to crash and restart multiple times, causing the affected device to reload and resulting in a DoS condition."}, {"lang": "es", "value": "Una vulnerabilidad en la funcionalidad Operation, Administration, and Maintenance (OAM) de MPLS del Software Cisco NX-OS, podr\u00eda permitir a un atacante remoto no autenticado causar una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en un dispositivo afectado. Esta vulnerabilidad es debido a una comprobaci\u00f3n inapropiada de la entrada cuando un dispositivo afectado est\u00e1 procesando un paquete de eco-petici\u00f3n o eco-respuesta MPLS. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de paquetes maliciosos de eco-solicitud o eco-respuesta MPLS a una interfaz que est\u00e9 habilitada para el reenv\u00edo MPLS en el dispositivo afectado. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante causar que el proceso de MPLS OAM se bloquee y se reinicie varias veces, causando que el dispositivo afectado se recargue y resultando en una condici\u00f3n de DoS."}], "id": "CVE-2021-1588", "lastModified": "2024-11-21T05:44:41.290", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "ykramarz@cisco.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-08-25T20:15:11.537", "references": [{"source": "ykramarz@cisco.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-mpls-oam-dos-sGO9x5GM"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-mpls-oam-dos-sGO9x5GM"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-126"}], "source": "ykramarz@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}