{"containers": {"cna": {"affected": [{"platforms": ["MX Series, EX9200 Series"], "product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"status": "affected", "version": "17.3R3-S8"}, {"status": "affected", "version": "17.4R3-S2"}, {"status": "unaffected", "version": "18.1"}, {"status": "unaffected", "version": "19.1"}, {"status": "unaffected", "version": "19.3"}, {"status": "unaffected", "version": "20.1"}, {"changes": [{"at": "18.2R3-S6", "status": "unaffected"}], "lessThan": "18.2*", "status": "affected", "version": "18.2R3-S4", "versionType": "custom"}, {"changes": [{"at": "18.3R3-S4", "status": "unaffected"}], "lessThan": "18.3*", "status": "affected", "version": "18.3R3-S2", "versionType": "custom"}, {"changes": [{"at": "18.4R3-S6", "status": "unaffected"}], "lessThan": "18.4*", "status": "affected", "version": "18.4R3-S1", "versionType": "custom"}, {"changes": [{"at": "19.2R3-S1", "status": "unaffected"}], "lessThan": "19.2*", "status": "affected", "version": "19.2R2", "versionType": "custom"}, {"changes": [{"at": "19.4R2-S3, 19.4R3", "status": "unaffected"}], "lessThan": "19.4*", "status": "affected", "version": "19.4R2", "versionType": "custom"}, {"changes": [{"at": "20.2R1-S3, 20.2R2", "status": "unaffected"}], "lessThan": "20.2*", "status": "affected", "version": "20.2R1", "versionType": "custom"}]}], "configurations": [{"lang": "en", "value": "This issue may occur when the IRB interface is configured and mapped to a VPLS instance or a Bridge-Domain\n\nIn the scenario where the IRB interface is mapped to a Bridge-Domain, the minimum configuration stanzas required related to this issue are the following:\n [bridge-domains <domain_name> routing-interface irb.<unit_number>]\nin combination with:\n [bridge-domains <domain_name> domain-type bridge]\n\nIn the scenario where the IRB interface is mapped to a VPLS instance, the minimum configuration stanzas required related to this issue are the following:\n [routing-instances <instance_name> instance-type vpls]\nin combination with:\n [routing-instances <instance_name> routing-interface irb.<unit_number>]"}], "datePublic": "2021-01-13T00:00:00", "descriptions": [{"lang": "en", "value": "On Juniper Networks MX Series and EX9200 Series platforms with Trio-based MPC (Modular Port Concentrator) where Integrated Routing and Bridging (IRB) interface is configured and it is mapped to a VPLS instance or a Bridge-Domain, certain network events at Customer Edge (CE) device may cause memory leak in the MPC which can cause an out of memory and MPC restarts. When this issue occurs, there will be temporary traffic interruption until the MPC is restored. An administrator can use the following CLI command to monitor the status of memory usage level of the MPC: user@device> show system resource-monitor fpc FPC Resource Usage Summary Free Heap Mem Watermark : 20 % Free NH Mem Watermark : 20 % Free Filter Mem Watermark : 20 % * - Watermark reached Slot # % Heap Free RTT Average RTT 1 87 PFE # % ENCAP mem Free % NH mem Free % FW mem Free 0 NA 88 99 1 NA 89 99 When the issue is occurring, the value of \u201c% NH mem Free\u201d will go down until the MPC restarts. This issue affects MX Series and EX9200 Series with Trio-based PFEs (Packet Forwarding Engines). Please refer to https://kb.juniper.net/KB25385 for the list of Trio-based PFEs. This issue affects Juniper Networks Junos OS on MX Series, EX9200 Series: 17.3R3-S8; 17.4R3-S2; 18.2R3-S4, 18.2R3-S5; 18.3R3-S2, 18.3R3-S3; 18.4 versions starting from 18.4R3-S1 and later versions prior to 18.4R3-S6; 19.2 versions starting from 19.2R2 and later versions prior to 19.2R3-S1; 19.4 versions starting from 19.4R2 and later versions prior to 19.4R2-S3, 19.4R3; 20.2 versions starting from 20.2R1 and later versions prior to 20.2R1-S3, 20.2R2. This issue does not affect Juniper Networks Junos OS: 18.1, 19.1, 19.3, 20.1."}], "exploits": [{"lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-01-15T17:35:51", "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://kb.juniper.net/JSA11092"}], "solutions": [{"lang": "en", "value": "The following software releases have been updated to resolve this specific issue: 17.3R3-S9, 17.4R3-S3, 18.2R3-S6, 18.3R3-S4, 18.4R3-S6, 19.2R3-S1, 19.4R2-S3, 19.4R3, 20.2R1-S3, 20.2R2, 20.3R1, and all subsequent releases.\nThe fix has been proactively committed to other releases as well."}], "source": {"advisory": "JSA11092", "defect": ["1525226"], "discovery": "USER"}, "title": "Junos OS: MX Series, EX9200 Series: Trio-based MPC memory leak when Integrated Routing and Bridging (IRB) interface is mapped to a VPLS instance or a Bridge-Domain", "workarounds": [{"lang": "en", "value": "There are no viable workarounds for this issue."}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "sirt@juniper.net", "DATE_PUBLIC": "2021-01-13T17:00:00.000Z", "ID": "CVE-2021-0202", "STATE": "PUBLIC", "TITLE": "Junos OS: MX Series, EX9200 Series: Trio-based MPC memory leak when Integrated Routing and Bridging (IRB) interface is mapped to a VPLS instance or a Bridge-Domain"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Junos OS", "version": {"version_data": [{"platform": "MX Series, EX9200 Series", "version_affected": "=", "version_name": "17.3", "version_value": "17.3R3-S8"}, {"platform": "MX Series, EX9200 Series", "version_affected": "=", "version_name": "17.4", "version_value": "17.4R3-S2"}, {"platform": "MX Series, EX9200 Series", "version_affected": "!", "version_name": "18.1", "version_value": "18.1"}, {"platform": "MX Series, EX9200 Series", "version_affected": ">=", "version_name": "18.2", "version_value": "18.2R3-S4"}, {"platform": "MX Series, EX9200 Series", "version_affected": "<", "version_name": "18.2", "version_value": "18.2R3-S6"}, {"platform": "MX Series, EX9200 Series", "version_affected": ">=", "version_name": "18.3", "version_value": "18.3R3-S2"}, {"platform": "MX Series, EX9200 Series", "version_affected": "<", "version_name": "18.3", "version_value": "18.3R3-S4"}, {"platform": "MX Series, EX9200 Series", "version_affected": ">=", "version_name": "18.4", "version_value": "18.4R3-S1"}, {"platform": "MX Series, EX9200 Series", "version_affected": "<", "version_name": "18.4", "version_value": "18.4R3-S6"}, {"platform": "MX Series, EX9200 Series", "version_affected": "!", "version_name": "19.1", "version_value": "19.1"}, {"platform": "MX Series, EX9200 Series", "version_affected": ">=", "version_name": "19.2", "version_value": "19.2R2"}, {"platform": "MX Series, EX9200 Series", "version_affected": "<", "version_name": "19.2", "version_value": "19.2R3-S1"}, {"platform": "MX Series, EX9200 Series", "version_affected": "!", "version_name": "19.3", "version_value": "19.3"}, {"platform": "MX Series, EX9200 Series", "version_affected": ">=", "version_name": "19.4", "version_value": "19.4R2"}, {"platform": "MX Series, EX9200 Series", "version_affected": "<", "version_name": "19.4", "version_value": "19.4R2-S3, 19.4R3"}, {"platform": "MX Series, EX9200 Series", 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<instance_name> instance-type vpls]\nin combination with:\n [routing-instances <instance_name> routing-interface irb.<unit_number>]"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "On Juniper Networks MX Series and EX9200 Series platforms with Trio-based MPC (Modular Port Concentrator) where Integrated Routing and Bridging (IRB) interface is configured and it is mapped to a VPLS instance or a Bridge-Domain, certain network events at Customer Edge (CE) device may cause memory leak in the MPC which can cause an out of memory and MPC restarts. When this issue occurs, there will be temporary traffic interruption until the MPC is restored. An administrator can use the following CLI command to monitor the status of memory usage level of the MPC: user@device> show system resource-monitor fpc FPC Resource Usage Summary Free Heap Mem Watermark : 20 % Free NH Mem Watermark : 20 % Free Filter Mem Watermark : 20 % * - Watermark reached Slot # % Heap Free RTT Average RTT 1 87 PFE # % ENCAP mem Free % NH mem Free % FW mem Free 0 NA 88 99 1 NA 89 99 When the issue is occurring, the value of \u201c% NH mem Free\u201d will go down until the MPC restarts. This issue affects MX Series and EX9200 Series with Trio-based PFEs (Packet Forwarding Engines). Please refer to https://kb.juniper.net/KB25385 for the list of Trio-based PFEs. This issue affects Juniper Networks Junos OS on MX Series, EX9200 Series: 17.3R3-S8; 17.4R3-S2; 18.2R3-S4, 18.2R3-S5; 18.3R3-S2, 18.3R3-S3; 18.4 versions starting from 18.4R3-S1 and later versions prior to 18.4R3-S6; 19.2 versions starting from 19.2R2 and later versions prior to 19.2R3-S1; 19.4 versions starting from 19.4R2 and later versions prior to 19.4R2-S3, 19.4R3; 20.2 versions starting from 20.2R1 and later versions prior to 20.2R1-S3, 20.2R2. This issue does not affect Juniper Networks Junos OS: 18.1, 19.1, 19.3, 20.1."}]}, "exploit": [{"lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-400 Uncontrolled Resource Consumption"}]}]}, "references": {"reference_data": [{"name": "https://kb.juniper.net/JSA11092", "refsource": "CONFIRM", "url": "https://kb.juniper.net/JSA11092"}]}, "solution": [{"lang": "en", "value": "The following software releases have been updated to resolve this specific issue: 17.3R3-S9, 17.4R3-S3, 18.2R3-S6, 18.3R3-S4, 18.4R3-S6, 19.2R3-S1, 19.4R2-S3, 19.4R3, 20.2R1-S3, 20.2R2, 20.3R1, and all subsequent releases.\nThe fix has been proactively committed to other releases as well."}], "source": {"advisory": "JSA11092", "defect": ["1525226"], "discovery": "USER"}, "work_around": [{"lang": "en", "value": "There are no viable workarounds for this issue."}]}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T15:32:09.975Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://kb.juniper.net/JSA11092"}]}]}, "cveMetadata": {"assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "assignerShortName": "juniper", "cveId": "CVE-2021-0202", "datePublished": "2021-01-15T17:35:51.550389Z", "dateReserved": "2020-10-27T00:00:00", "dateUpdated": "2024-09-17T00:31:32.694Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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This issue affects Juniper Networks Junos OS on MX Series, EX9200 Series: 17.3R3-S8; 17.4R3-S2; 18.2R3-S4, 18.2R3-S5; 18.3R3-S2, 18.3R3-S3; 18.4 versions starting from 18.4R3-S1 and later versions prior to 18.4R3-S6; 19.2 versions starting from 19.2R2 and later versions prior to 19.2R3-S1; 19.4 versions starting from 19.4R2 and later versions prior to 19.4R2-S3, 19.4R3; 20.2 versions starting from 20.2R1 and later versions prior to 20.2R1-S3, 20.2R2. This issue does not affect Juniper Networks Junos OS: 18.1, 19.1, 19.3, 20.1."}, {"lang": "es", "value": "En plataformas Juniper Networks Serie MX y Serie EX9200 con Trio-based MPC (Modular Port Concentrator), donde la interfaz Integrated Routing and Bridging (IRB) est\u00e1 configurada y mapeada a una instancia VPLS o Bridge-Domain, determinados eventos de red en Customer Edge (CE) puede causar una p\u00e9rdida de memoria en el MPC, lo que puede causar una falta de memoria y el reinicio del MPC.&#xa0;Cuando este problema ocurre, habr\u00e1 una interrupci\u00f3n temporal del tr\u00e1fico hasta que el MPC es restaurado.&#xa0;Un administrador puede usar el siguiente comando CLI para monitorear el estado del nivel de uso de memoria del MPC: user@device) show system resource-monitor fpc FPC Resource Usage Summary Free Heap Mem Watermark : 20 % Free NH Mem Watermark : 20 % Free Filter Mem Watermark : 20 % * - Watermark reached Slot # % Heap Free RTT Average RTT 1 87 PFE # % ENCAP mem Free % NH mem Free % FW mem Free 0 NA 88 99 1 NA 89 99. Cuando se produce el problema, el valor de \u201c% NH mem Free\u201d bajar\u00e1 hasta que el MPC reinicie.&#xa0;Este problema afecta la Serie MX y Serie EX9200 con Trio-based PFEs (Packet Forwarding Engines).&#xa0;Consulte https://kb.juniper.net/KB25385 para visualizar la lista de PFE Trio-based.&#xa0;Este problema afecta al Juniper Networks Junos OS en la Serie MX, Serie EX9200: versiones 17.3R3-S8;&#xa0;17,4R3-S2;&#xa0;18.2R3-S4, 18.2R3-S5;&#xa0;18.3R3-S2, 18.3R3-S3;&#xa0;18.4 versiones desde 18.4R3-S1 y versiones posteriores a 18.4R3-S6;&#xa0;19.2 versiones desde 19.2R2 y versiones posteriores a 19.2R3-S1;&#xa0;19.4 versiones a partir de 19.4R2 y versiones posteriores a 19.4R2-S3, 19.4R3;&#xa0;20.2 versiones desde 20.2R1 y versiones posteriores a 20.2R1-S3,&#xa0;20.2R2.&#xa0;Este problema no afecta a Juniper Networks Junos OS: 18.1, 19.1, 19.3, 20.1"}], "id": "CVE-2021-0202", "lastModified": "2024-11-21T05:42:11.437", "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": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Secondary"}]}, "published": "2021-01-15T18:15:14.370", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11092"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11092"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "sirt@juniper.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}