CVE-2021-31363
Vulnerability from cvelistv5
Published
2021-10-19 18:16
Modified
2024-09-16 16:23
Severity ?
6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Junos OS and Junos OS Evolved: Receipt of a specific LDP message will cause a Denial of Service
References
sirt@juniper.nethttps://kb.juniper.net/JSA11225Patch, Vendor Advisory
Impacted products
Juniper NetworksJunos OS
Juniper NetworksJunos OS Evolved
Show details on NVD website

To clipboard 

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This issue affects: Juniper Networks Junos OS 19.2 version 19.2R2 and later versions prior to 19.2R3-S3; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R1-S4, 19.4R2-S4, 19.4R3-S2; 20.1 versions prior to 20.1R2-S1, 20.1R3; 20.2 versions prior to 20.2R2-S1, 20.2R3; 20.3 versions prior to 20.3R1-S2, 20.3R2. This issue does not affect Juniper Networks Junos OS versions prior to 19.2R2. Juniper Networks Junos OS Evolved All versions prior to 20.1R2-S3-EVO; 20.3 versions prior to 20.3R1-S2-EVO.\"},{\"lang\":\"es\",\"value\":\"En un entorno MPLS P2MP, una vulnerabilidad de bucle con condici\u00f3n de salida no alcanzable en el demonio del protocolo de enrutamiento (RPD) de Juniper Networks Junos OS y Junos OS Evolved permite a un atacante adyacente no autenticado causar una alta carga en el RPD, lo que a su vez puede conllevar a interrupciones del protocolo de enrutamiento. Si un sistema con las estad\u00edsticas basadas en sensores habilitadas recibe un LDP FEC espec\u00edfico, esto puede conllevar a una condici\u00f3n anterior. Una recepci\u00f3n continuada de tal LDP FEC crear\u00e1 una condici\u00f3n de Denegaci\u00f3n de Servicio (DoS) sostenida. Este problema afecta: Juniper Networks Junos OS 19.2 versi\u00f3n 19.2R2 y versiones posteriores anteriores a 19.2R3-S3; versiones 19.3 anteriores a 19.3R2-S6, 19.3R3-S2; versiones 19.4 anteriores a 19. 4R1-S4, 19.4R2-S4, 19.4R3-S2; versiones 20.1 anteriores a 20.1R2-S1, 20.1R3; versiones 20.2 anteriores a 20.2R2-S1, 20.2R3; versiones 20.3 anteriores a 20.3R1-S2, 20.3R2. Este problema no afecta a las versiones de Juniper Networks Junos OS anteriores a 19.2R2. Juniper Networks Junos OS Evolved Todas las versiones anteriores a 20.1R2-S3-EVO; versiones 20.3 anteriores a 20.3R1-S2-EVO\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"sirt@juniper.net\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:A/AC:L/Au:N/C:N/I:N/A:P\",\"accessVector\":\"ADJACENT_NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":3.3},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":6.5,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-835\"}]},{\"source\":\"sirt@juniper.net\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-835\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.2:r2:*:*:*:*:*:*\",\"matchCriteriaId\":\"7C71D2FA-B1A4-4004-807F-7B3BB347DF4C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.2:r2-s1:*:*:*:*:*:*\",\"matchCriteriaId\":\"9E78E854-DDD3-4D1A-97AB-AEA70B9B811F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.2:r3:*:*:*:*:*:*\",\"matchCriteriaId\":\"512FB3D1-BA5B-4F73-BDB2-49D6889F5473\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.2:r3-s1:*:*:*:*:*:*\",\"matchCriteriaId\":\"7FCBFF57-83A1-4C1C-A38D-7DAB48BCA2EC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.2:r3-s2:*:*:*:*:*:*\",\"matchCriteriaId\":\"920FE638-BDE6-403D-9083-2BDBF6A3326F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.3:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"59006503-B2CA-4F79-AC13-7C5615A74CE5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.3:r1:*:*:*:*:*:*\",\"matchCriteriaId\":\"B8110DA9-54B1-43CF-AACB-76EABE0C9EF6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.3:r1-s1:*:*:*:*:*:*\",\"matchCriteriaId\":\"11B5CC5A-1959-4113-BFCF-E4BA63D918C1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.3:r2:*:*:*:*:*:*\",\"matchCriteriaId\":\"33F08A33-EF80-4D86-9A9A-9DF147B9B6D3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.3:r2-s1:*:*:*:*:*:*\",\"matchCriteriaId\":\"AF24ACBD-5F84-47B2-BFF3-E9A56666269C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.3:r2-s2:*:*:*:*:*:*\",\"matchCriteriaId\":\"3935A586-41BD-4FA5-9596-DED6F0864777\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.3:r2-s3:*:*:*:*:*:*\",\"matchCriteriaId\":\"B83FB539-BD7C-4BEE-9022-098F73902F38\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.3:r2-s4:*:*:*:*:*:*\",\"matchCriteriaId\":\"7659AC36-A5EA-468A-9793-C1EC914D36F4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.3:r2-s5:*:*:*:*:*:*\",\"matchCriteriaId\":\"E0E018E1-568E-40F2-ADA5-F71509811879\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.3:r3-s2:*:*:*:*:*:*\",\"matchCriteriaId\":\"D3FEA876-302D-4F07-94E6-237C669538F2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.4:r1:*:*:*:*:*:*\",\"matchCriteriaId\":\"DC743EE4-8833-452A-94DB-655BF139F883\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.4:r1-s1:*:*:*:*:*:*\",\"matchCriteriaId\":\"FE96A8EA-FFE3-4D8F-9266-21899149D634\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.4:r1-s2:*:*:*:*:*:*\",\"matchCriteriaId\":\"C12A75C6-2D00-4202-B861-00FF71585FA0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.4:r1-s3:*:*:*:*:*:*\",\"matchCriteriaId\":\"70FF3DD4-14CB-435D-8529-0480EB853F60\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.4:r2-s4:*:*:*:*:*:*\",\"matchCriteriaId\":\"760E2418-B945-4467-BDAC-7702DDF4C4EE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:19.4:r3-s2:*:*:*:*:*:*\",\"matchCriteriaId\":\"ED73BF1A-96E4-49F1-A6AA-7B29DAA6C112\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.1:r1:*:*:*:*:*:*\",\"matchCriteriaId\":\"8328FDE6-9707-4142-B905-3B07C0E28E35\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.1:r1-s1:*:*:*:*:*:*\",\"matchCriteriaId\":\"41CD982F-E6F2-4951-9F96-A76C142DF08E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:juniper:junos:20.1:r1-s2:*:*:*:*:*:*\",\"matchCriteriaId\":\"19FDC05F-5582-4F7E-B628-E58A3C0E7F2F\"},{\"vulnerable\":true,\"criteria\":\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Advisory\"]}]}}"
  }
}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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