{"containers": {"cna": {"affected": [{"platforms": ["ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960"], "product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"lessThan": "15.1F6, 16.1R1", "status": "unaffected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "15.1*", "status": "affected", "version": "15.1F6", "versionType": "custom"}, {"changes": [{"at": "16.1R7-S8", "status": "unaffected"}], "lessThan": "16.1*", "status": "affected", "version": "16.1R1", "versionType": "custom"}, {"lessThan": "17.1R2-S12", "status": "affected", "version": "17.1", "versionType": "custom"}, {"lessThan": "17.2R3-S4", "status": "affected", "version": "17.2", "versionType": "custom"}, {"lessThan": "17.3R3-S8", "status": "affected", "version": "17.3", "versionType": "custom"}, {"lessThan": "17.4R2-S10, 17.4R3-S2", "status": "affected", "version": "17.4", "versionType": "custom"}, {"lessThan": "18.1R3-S10", "status": "affected", "version": "18.1", "versionType": "custom"}, {"lessThan": "18.2R2-S7, 18.2R3-S3", "status": "affected", "version": "18.2", "versionType": "custom"}, {"lessThan": "18.3R1-S7, 18.3R3-S2", "status": "affected", "version": "18.3", "versionType": "custom"}, {"lessThan": "18.4R1-S7, 18.4R2-S4, 18.4R3-S2", "status": "affected", "version": "18.4", "versionType": "custom"}, {"lessThan": "19.1R1-S5, 19.1R2-S1, 19.1R3", "status": "affected", "version": "19.1", "versionType": "custom"}, {"lessThan": "19.2R1-S4, 19.2R2", "status": "affected", "version": "19.2", "versionType": "custom"}, {"lessThan": "19.3R2-S3, 19.3R3", "status": "affected", "version": "19.3", "versionType": "custom"}, {"lessThan": "19.4R1-S1, 19.4R2", "status": "affected", "version": "19.4", "versionType": "custom"}]}, {"platforms": ["ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960"], "product": "Junos OS Evolved", "vendor": "Juniper Networks", "versions": [{"lessThan": "19.4R2-EVO", "status": "affected", "version": "19.4", "versionType": "custom"}]}], "configurations": [{"lang": "en", "value": "An example of an affected configuration is one where a Trio chipset line card is in use with a logical-tunnel interface set up to communicate to a second logical tunnel (LT-to-LT) interface."}], "datePublic": "2021-04-14T00:00:00", "descriptions": [{"lang": "en", "value": "An always-incorrect control flow implementation in the implicit filter terms of Juniper Networks Junos OS and Junos OS Evolved on ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960 devices with affected Trio line cards allows an attacker to exploit an interdependency in the PFE UCODE microcode of the Trio chipset with various line cards to cause packets destined to the devices interfaces to cause a Denial of Service (DoS) condition by looping the packet with an unreachable exit condition ('Infinite Loop'). To break this loop once it begins one side of the affected LT interfaces will need to be disabled. Once disabled, the condition will clear and the disabled LT interface can be reenabled. Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition. This issue only affects LT-LT interfaces. Any other interfaces are not affected by this issue. This issue affects the following cards: MPCE Type 3 3D MPC4E 3D 32XGE MPC4E 3D 2CGE+8XGE EX9200 32x10G SFP EX9200-2C-8XS FPC Type 5-3D FPC Type 5-LSR EX9200 4x40G QSFP An Indicator of Compromise (IoC) can be seen by examining the traffic of the LT-LT interfaces for excessive traffic using the following command: monitor interface traffic Before loop impact: Interface: lt-2/0/0, Enabled, Link is Up Encapsulation: Logical-tunnel, Speed: 100000mbps Traffic statistics: Current delta Input bytes: 3759900268942 (1456 bps) [0] <---------- LT interface utilization is low Output bytes: 3759900344309 (1456 bps) [0] <---------- LT interface utilization is low After loop impact: Interface: lt-2/0/0, Enabled, Link is Up Encapsulation: Logical-tunnel, Speed: 100000mbps Traffic statistics: Current delta Input bytes: 3765160313129 (2158268368 bps) [5260044187] <---------- LT interface utilization is very high Output bytes: 3765160399522 (2158266440 bps) [5260055213] <---------- LT interface utilization is very high This issue affects: Juniper Networks Junos OS on ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960. Versions 15.1F6, 16.1R1, and later versions prior to 16.1R7-S8; 17.1 versions prior to 17.1R2-S12; 17.2 versions prior to 17.2R3-S4; 17.3 versions prior to 17.3R3-S8; 17.4 versions prior to 17.4R2-S10, 17.4R3-S2; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R2-S7, 18.2R3-S3; 18.3 versions prior to 18.3R1-S7, 18.3R3-S2; 18.4 versions prior to 18.4R1-S7, 18.4R2-S4, 18.4R3-S2; 19.1 versions prior to 19.1R1-S5, 19.1R2-S1, 19.1R3; 19.2 versions prior to 19.2R1-S4, 19.2R2; 19.3 versions prior to 19.3R2-S3, 19.3R3; 19.4 versions prior to 19.4R1-S1, 19.4R2. This issue does not affect the MX10001. This issue does not affect Juniper Networks Junos OS versions prior to 15.1F6, 16.1R1. Juniper Networks Junos OS Evolved on ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960 19.4 versions prior to 19.4R2-EVO. This issue does not affect the MX10001."}], "exploits": [{"lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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:L", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-835", "description": "CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-670", "description": "CWE-670: Always-Incorrect Control Flow Implementation", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"description": "Denial of Service (DoS)", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-04-22T19:37:28", "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://kb.juniper.net/JSA11164"}], "solutions": [{"lang": "en", "value": "The following software releases have been updated to resolve this specific issue:\n\nJunos OS: 16.1R7-S8, 17.1R2-S12, 17.2R3-S4, 17.3R3-S8, 17.4R2-S10, 17.4R3-S2, 18.1R3-S10, 18.2R2-S7, 18.2R3-S3, 18.3R1-S7, 18.3R3-S2, 18.4R1-S7, 18.4R2-S4, 18.4R3-S2, 19.1R1-S5, 19.1R2-S1, 19.1R3, 19.2R1-S4, 19.2R2, 19.3R2-S3, 19.3R3, 19.4R1-S1, 19.4R2, 20.1R1, and all subsequent releases.\n\nJunos OS Evolved: 19.4R2-EVO, 20.1R1-EVO, and all subsequent releases."}], "source": {"advisory": "JSA11164", "defect": ["1478759"], "discovery": "USER"}, "title": "Junos OS and Junos OS Evolved: Trio Chipset: Denial of Service due to packet destined to device's interfaces.", "workarounds": [{"lang": "en", "value": "There are no available workarounds for this issue."}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "sirt@juniper.net", "DATE_PUBLIC": "2021-04-14T16:00:00.000Z", "ID": "CVE-2021-0273", "STATE": "PUBLIC", "TITLE": "Junos OS and Junos OS Evolved: Trio Chipset: Denial of Service due to packet destined to device's interfaces."}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Junos OS", "version": {"version_data": [{"platform": "ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960", "version_affected": ">=", "version_name": "15.1", "version_value": "15.1F6"}, {"platform": "ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960", "version_affected": ">=", "version_name": "16.1", "version_value": "16.1R1"}, {"platform": "ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960", "version_affected": "<", "version_name": "16.1", "version_value": "16.1R7-S8"}, {"platform": "ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960", "version_affected": "<", "version_name": "17.1", "version_value": "17.1R2-S12"}, {"platform": "ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960", "version_affected": "<", "version_name": "17.2", "version_value": "17.2R3-S4"}, {"platform": "ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960", "version_affected": "<", "version_name": "17.3", "version_value": "17.3R3-S8"}, {"platform": "ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960", "version_affected": "<", "version_name": "17.4", "version_value": "17.4R2-S10, 17.4R3-S2"}, {"platform": "ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960", "version_affected": "<", "version_name": "18.1", "version_value": "18.1R3-S10"}, {"platform": "ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960", "version_affected": "<", "version_name": "18.2", "version_value": "18.2R2-S7, 18.2R3-S3"}, {"platform": "ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960", "version_affected": "<", "version_name": "18.3", "version_value": "18.3R1-S7, 18.3R3-S2"}, {"platform": "ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960", "version_affected": "<", "version_name": "18.4", "version_value": "18.4R1-S7, 18.4R2-S4, 18.4R3-S2"}, {"platform": "ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960", "version_affected": "<", "version_name": "19.1", "version_value": "19.1R1-S5, 19.1R2-S1, 19.1R3"}, {"platform": "ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960", "version_affected": "<", "version_name": "19.2", "version_value": "19.2R1-S4, 19.2R2"}, {"platform": "ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960", "version_affected": "<", "version_name": "19.3", "version_value": "19.3R2-S3, 19.3R3"}, {"platform": "ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960", "version_affected": "<", "version_name": "19.4", "version_value": "19.4R1-S1, 19.4R2"}, {"platform": "ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960", "version_affected": "!<", "version_value": "15.1F6, 16.1R1"}]}}, {"product_name": "Junos OS Evolved", "version": {"version_data": [{"platform": "ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960", "version_affected": "<", "version_name": "19.4", "version_value": "19.4R2-EVO"}]}}]}, "vendor_name": "Juniper Networks"}]}}, "configuration": [{"lang": "en", "value": "An example of an affected configuration is one where a Trio chipset line card is in use with a logical-tunnel interface set up to communicate to a second logical tunnel (LT-to-LT) interface."}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An always-incorrect control flow implementation in the implicit filter terms of Juniper Networks Junos OS and Junos OS Evolved on ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960 devices with affected Trio line cards allows an attacker to exploit an interdependency in the PFE UCODE microcode of the Trio chipset with various line cards to cause packets destined to the devices interfaces to cause a Denial of Service (DoS) condition by looping the packet with an unreachable exit condition ('Infinite Loop'). To break this loop once it begins one side of the affected LT interfaces will need to be disabled. Once disabled, the condition will clear and the disabled LT interface can be reenabled. Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition. This issue only affects LT-LT interfaces. Any other interfaces are not affected by this issue. This issue affects the following cards: MPCE Type 3 3D MPC4E 3D 32XGE MPC4E 3D 2CGE+8XGE EX9200 32x10G SFP EX9200-2C-8XS FPC Type 5-3D FPC Type 5-LSR EX9200 4x40G QSFP An Indicator of Compromise (IoC) can be seen by examining the traffic of the LT-LT interfaces for excessive traffic using the following command: monitor interface traffic Before loop impact: Interface: lt-2/0/0, Enabled, Link is Up Encapsulation: Logical-tunnel, Speed: 100000mbps Traffic statistics: Current delta Input bytes: 3759900268942 (1456 bps) [0] <---------- LT interface utilization is low Output bytes: 3759900344309 (1456 bps) [0] <---------- LT interface utilization is low After loop impact: Interface: lt-2/0/0, Enabled, Link is Up Encapsulation: Logical-tunnel, Speed: 100000mbps Traffic statistics: Current delta Input bytes: 3765160313129 (2158268368 bps) [5260044187] <---------- LT interface utilization is very high Output bytes: 3765160399522 (2158266440 bps) [5260055213] <---------- LT interface utilization is very high This issue affects: Juniper Networks Junos OS on ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960. Versions 15.1F6, 16.1R1, and later versions prior to 16.1R7-S8; 17.1 versions prior to 17.1R2-S12; 17.2 versions prior to 17.2R3-S4; 17.3 versions prior to 17.3R3-S8; 17.4 versions prior to 17.4R2-S10, 17.4R3-S2; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R2-S7, 18.2R3-S3; 18.3 versions prior to 18.3R1-S7, 18.3R3-S2; 18.4 versions prior to 18.4R1-S7, 18.4R2-S4, 18.4R3-S2; 19.1 versions prior to 19.1R1-S5, 19.1R2-S1, 19.1R3; 19.2 versions prior to 19.2R1-S4, 19.2R2; 19.3 versions prior to 19.3R2-S3, 19.3R3; 19.4 versions prior to 19.4R1-S1, 19.4R2. This issue does not affect the MX10001. This issue does not affect Juniper Networks Junos OS versions prior to 15.1F6, 16.1R1. Juniper Networks Junos OS Evolved on ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960 19.4 versions prior to 19.4R2-EVO. This issue does not affect the MX10001."}]}, "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": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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:L", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')"}]}, {"description": [{"lang": "eng", "value": "CWE-670: Always-Incorrect Control Flow Implementation"}]}, {"description": [{"lang": "eng", "value": "Denial of Service (DoS)"}]}]}, "references": {"reference_data": [{"name": "https://kb.juniper.net/JSA11164", "refsource": "MISC", "url": "https://kb.juniper.net/JSA11164"}]}, "solution": [{"lang": "en", "value": "The following software releases have been updated to resolve this specific issue:\n\nJunos OS: 16.1R7-S8, 17.1R2-S12, 17.2R3-S4, 17.3R3-S8, 17.4R2-S10, 17.4R3-S2, 18.1R3-S10, 18.2R2-S7, 18.2R3-S3, 18.3R1-S7, 18.3R3-S2, 18.4R1-S7, 18.4R2-S4, 18.4R3-S2, 19.1R1-S5, 19.1R2-S1, 19.1R3, 19.2R1-S4, 19.2R2, 19.3R2-S3, 19.3R3, 19.4R1-S1, 19.4R2, 20.1R1, and all subsequent releases.\n\nJunos OS Evolved: 19.4R2-EVO, 20.1R1-EVO, and all subsequent releases."}], "source": {"advisory": "JSA11164", "defect": ["1478759"], "discovery": "USER"}, "work_around": [{"lang": "en", "value": "There are no available workarounds for this issue."}]}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T15:32:10.507Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://kb.juniper.net/JSA11164"}]}]}, "cveMetadata": {"assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "assignerShortName": "juniper", "cveId": "CVE-2021-0273", "datePublished": "2021-04-22T19:37:28.349412Z", "dateReserved": "2020-10-27T00:00:00", "dateUpdated": "2024-09-17T00:26:18.087Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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an unreachable exit condition ('Infinite Loop'). To break this loop once it begins one side of the affected LT interfaces will need to be disabled. Once disabled, the condition will clear and the disabled LT interface can be reenabled. Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition. This issue only affects LT-LT interfaces. Any other interfaces are not affected by this issue. This issue affects the following cards: MPCE Type 3 3D MPC4E 3D 32XGE MPC4E 3D 2CGE+8XGE EX9200 32x10G SFP EX9200-2C-8XS FPC Type 5-3D FPC Type 5-LSR EX9200 4x40G QSFP An Indicator of Compromise (IoC) can be seen by examining the traffic of the LT-LT interfaces for excessive traffic using the following command: monitor interface traffic Before loop impact: Interface: lt-2/0/0, Enabled, Link is Up Encapsulation: Logical-tunnel, Speed: 100000mbps Traffic statistics: Current delta Input bytes: 3759900268942 (1456 bps) [0] <---------- LT interface utilization is low Output bytes: 3759900344309 (1456 bps) [0] <---------- LT interface utilization is low After loop impact: Interface: lt-2/0/0, Enabled, Link is Up Encapsulation: Logical-tunnel, Speed: 100000mbps Traffic statistics: Current delta Input bytes: 3765160313129 (2158268368 bps) [5260044187] <---------- LT interface utilization is very high Output bytes: 3765160399522 (2158266440 bps) [5260055213] <---------- LT interface utilization is very high This issue affects: Juniper Networks Junos OS on ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960. Versions 15.1F6, 16.1R1, and later versions prior to 16.1R7-S8; 17.1 versions prior to 17.1R2-S12; 17.2 versions prior to 17.2R3-S4; 17.3 versions prior to 17.3R3-S8; 17.4 versions prior to 17.4R2-S10, 17.4R3-S2; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R2-S7, 18.2R3-S3; 18.3 versions prior to 18.3R1-S7, 18.3R3-S2; 18.4 versions prior to 18.4R1-S7, 18.4R2-S4, 18.4R3-S2; 19.1 versions prior to 19.1R1-S5, 19.1R2-S1, 19.1R3; 19.2 versions prior to 19.2R1-S4, 19.2R2; 19.3 versions prior to 19.3R2-S3, 19.3R3; 19.4 versions prior to 19.4R1-S1, 19.4R2. This issue does not affect the MX10001. This issue does not affect Juniper Networks Junos OS versions prior to 15.1F6, 16.1R1. Juniper Networks Junos OS Evolved on ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960 19.4 versions prior to 19.4R2-EVO. This issue does not affect the MX10001."}, {"lang": "es", "value": "Una implementaci\u00f3n de flujo de control always-incorrect en los t\u00e9rminos de filtro impl\u00edcitos de Junos OS y Junos OS Evolved de Juniper Networks en dispositivos ACX5800, Serie EX9200, Serie MX10000, MX240, MX480, MX960 con tarjetas de l\u00ednea Trio afectadas permite a un atacante explotar una interdependencia en el microc\u00f3digo PFE UCODE del chipset Trio con varias tarjetas de l\u00ednea para causar que los paquetes destinados a las interfaces de los dispositivos provoquen una condici\u00f3n de Denegaci\u00f3n de Servicio (DoS) al hacer un bucle del paquete con una condici\u00f3n de salida inalcanzable (\u201cInfinite Loop\u201d). Para romper este bucle una vez que comience, ser\u00e1 necesario deshabilitar un lado de las interfaces LT afectadas. Una vez desactivado, la condici\u00f3n desaparecer\u00e1 y la interfaz LT desactivada puede ser reactivada. La recepci\u00f3n y el procesamiento continuo de estos paquetes crear\u00e1n una condici\u00f3n sostenida de Denegaci\u00f3n de Servicio (DoS). Este problema solo afecta a las interfaces LT-LT. Cualquier otra interfaz no est\u00e1 afectada por este problema. Este problema afecta a las siguientes tarjetas: MPCE Tipo 3 3D MPC4E 3D 32XGE MPC4E 3D 2CGE + 8XGE EX9200 32x10G SFP EX9200-2C-8XS FPC Tipo 5-3D FPC Tipo 5-LSR EX9200 4x40G QSFP, se puede visualizar un Indicador de Compromiso (IoC) examinando el tr\u00e1fico de las interfaces LT-LT en busca de tr\u00e1fico excesivo mediante el siguiente comando: monitor interface traffic Before loop impact: Interface: lt-2/0/0, Enabled, Link is Up Encapsulation: Logical-tunnel, Speed: 100000mbps Traffic statistics: Current delta Input bytes: 3759900268942 (1456 bps) [0] (---------- LT interface utilization is low Output bytes: 3759900344309 (1456 bps) [0] (---------- LT interface utilization is low After loop impact: Interface: lt-2/0/0, Enabled, Link is Up Encapsulation: Logical-tunnel, Speed: 100000mbps Traffic statistics: Current delta Input bytes: 3765160313129 (2158268368 bps) [5260044187] (---------- LT interface utilization is very high Output bytes: 3765160399522 (2158266440 bps) [5260055213] (---------- LT interface utilization is very high. Este problema afecta a: Juniper Networks Junos OS en ACX5800, Serie EX9200, Serie MX10000, MX240, MX480, MX960. Versiones 15.1F6, 16.1R1, y posteriores, versiones anteriores a 16.1R7-S8; versiones 17.1 anteriores a 17.1R2-S12; versiones 17.2 anteriores a 17.2R3-S4; versiones 17.3 anteriores a 17.3R3-S8; versiones 17.4 anteriores a 17.4R2-S10, 17.4R3-S2; versiones 18.1 anteriores a 18.1R3-S10; versiones 18.2 anteriores a 18.2R2-S7, 18.2R3-S3; versiones 18.3 anteriores a 18.3R1-S7, 18.3R3-S2; versiones 18.4 anteriores a 18.4R1-S7, 18.4R2-S4, 18.4R3-S2; versiones 19.1 anteriores a 19.1R1-S5, 19.1R2-S1, 19.1R3; versiones 19.2 anteriores a 19.2R1-S4, 19.2R2; versiones 19.3 anteriores a 19.3R2-S3, 19.3R3; versiones 19.4 anteriores a 19.4R1-S1, 19.4R2. Este problema no afecta a la Serie MX10001. Este problema no afecta a Juniper Networks Junos OS versiones anteriores a 15.1F6, 16.1R1. Juniper Networks Junos OS Evolved en ACX5800, Serie EX9200, Serie MX10000, MX240, MX480, MX960 versiones 19.4 anteriores a 19.4R2-EVO. Este problema no afecta a la Serie MX10001"}], "id": "CVE-2021-0273", "lastModified": "2021-05-04T20:26:31.480", "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": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "sirt@juniper.net", "type": "Primary"}]}, "published": "2021-04-22T20:15:10.123", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11164"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-670"}, {"lang": "en", "value": "CWE-835"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-670"}, {"lang": "en", "value": "CWE-835"}], "source": "sirt@juniper.net", "type": "Secondary"}]}

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