fkie_cve-2021-31353
Vulnerability from fkie_nvd
Published
2021-10-19 19:15
Modified
2024-11-21 06:05
Severity ?
Summary
An Improper Handling of Exceptional Conditions vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an attacker to inject a specific BGP update, causing the routing protocol daemon (RPD) to crash and restart, leading to a Denial of Service (DoS). Continued receipt and processing of the BGP update will create a sustained Denial of Service (DoS) condition. This issue affects very specific versions of Juniper Networks Junos OS: 19.3R3-S2; 19.4R3-S3; 20.2 versions 20.2R2-S3 and later, prior to 20.2R3-S2; 20.3 versions 20.3R2 and later, prior to 20.3R3; 20.4 versions 20.4R2 and later, prior to 20.4R3; 21.1 versions prior to 21.1R2. Juniper Networks Junos OS 20.1 is not affected by this issue. This issue also affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R2-S3-EVO, 20.4R3-EVO; 21.1-EVO versions prior to 21.1R2-EVO; 21.2-EVO versions prior to 21.2R2-EVO.
References
▶ | URL | Tags | |
---|---|---|---|
sirt@juniper.net | https://kb.juniper.net/JSA11218 | Exploit, Mitigation, Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://kb.juniper.net/JSA11218 | Exploit, Mitigation, Vendor Advisory |
Impacted products
Vendor | Product | Version | |
---|---|---|---|
juniper | junos | 19.3 | |
juniper | junos | 19.4 | |
juniper | junos | 20.2 | |
juniper | junos | 20.2 | |
juniper | junos | 20.2 | |
juniper | junos | 20.3 | |
juniper | junos | 20.3 | |
juniper | junos | 20.4 | |
juniper | junos | 20.4 | |
juniper | junos | 21.1 | |
juniper | junos | 21.1 | |
juniper | junos_os_evolved | * | |
juniper | junos_os_evolved | 20.4 | |
juniper | junos_os_evolved | 20.4 | |
juniper | junos_os_evolved | 20.4 | |
juniper | junos_os_evolved | 20.4 | |
juniper | junos_os_evolved | 20.4 | |
juniper | junos_os_evolved | 20.4 | |
juniper | junos_os_evolved | 21.1 | |
juniper | junos_os_evolved | 21.1 | |
juniper | junos_os_evolved | 21.2 | |
juniper | junos_os_evolved | 21.2 |
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Continued receipt and processing of the BGP update will create a sustained Denial of Service (DoS) condition. This issue affects very specific versions of Juniper Networks Junos OS: 19.3R3-S2; 19.4R3-S3; 20.2 versions 20.2R2-S3 and later, prior to 20.2R3-S2; 20.3 versions 20.3R2 and later, prior to 20.3R3; 20.4 versions 20.4R2 and later, prior to 20.4R3; 21.1 versions prior to 21.1R2. Juniper Networks Junos OS 20.1 is not affected by this issue. This issue also affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R2-S3-EVO, 20.4R3-EVO; 21.1-EVO versions prior to 21.1R2-EVO; 21.2-EVO versions prior to 21.2R2-EVO." }, { "lang": "es", "value": "Una vulnerabilidad de administraci\u00f3n inapropiada de condiciones excepcionales en Juniper Networks Junos OS y Junos OS Evolved permite a un atacante inyectar una actualizaci\u00f3n BGP espec\u00edfica, causando el bloqueo y el reinicio del demonio del protocolo de enrutamiento (RPD), conllevando a una Denegaci\u00f3n de Servicio (DoS). Si se sigue recibiendo y procesando la actualizaci\u00f3n BGP, ser\u00e1 creada una condici\u00f3n de Denegaci\u00f3n de Servicio (DoS) sostenida. Este problema afecta a versiones muy espec\u00edficas de Juniper Networks Junos OS: 19.3R3-S2; 19.4R3-S3; 20.2 versiones 20.2R2-S3 y posteriores, anteriores a 20.2R3-S2; 20.3 versiones 20.3R2 y posteriores, anteriores a 20.3R3; 20.4 versiones 20.4R2 y posteriores, anteriores a 20.4R3; versiones 21.1 anteriores a 21.1R2. Juniper Networks Junos OS 20.1 no est\u00e1 afectado por este problema. Este problema tambi\u00e9n afecta a Juniper Networks Junos OS Evolved: Todas las versiones anteriores a 20.4R2-S3-EVO, 20.4R3-EVO; 21.1-EVO versiones anteriores a 21.1R2-EVO; 21.2-EVO versiones anteriores a 21.2R2-EVO" } ], "id": "CVE-2021-31353", "lastModified": "2024-11-21T06:05:29.003", "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": "2021-10-19T19:15:08.720", "references": [ { "source": "sirt@juniper.net", "tags": [ "Exploit", "Mitigation", "Vendor Advisory" ], "url": "https://kb.juniper.net/JSA11218" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Mitigation", "Vendor Advisory" ], "url": "https://kb.juniper.net/JSA11218" } ], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-755" } ], "source": "sirt@juniper.net", "type": "Secondary" }, { "description": [ { "lang": "en", "value": "CWE-755" } ], "source": "nvd@nist.gov", "type": "Primary" } ] }
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Sightings
Author | Source | Type | Date |
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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.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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