{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-17T11:30:06.178","vulnerabilities":[{"cve":{"id":"CVE-2021-0209","sourceIdentifier":"sirt@juniper.net","published":"2021-01-15T18:15:15.027","lastModified":"2024-11-21T05:42:12.620","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In Juniper Networks Junos OS Evolved an attacker sending certain valid BGP update packets may cause Junos OS Evolved to access an uninitialized pointer causing RPD to core leading to a Denial of Service (DoS). Continued receipt of these types of valid BGP update packets will cause an extended Denial of Service condition. RPD will require a restart to recover. An indicator of compromise is to see if the file rpd.re exists by issuing the command: show system core-dumps This issue affects: Juniper Networks Junos OS Evolved 19.4 versions prior to 19.4R2-S2-EVO; 20.1 versions prior to 20.1R1-S2-EVO, 20.1R2-S1-EVO. This issue does not affect Junos OS."},{"lang":"es","value":"En Juniper Networks Junos OS Evolved, un atacante que envía determinados paquetes de actualización de BGP válidos puede causar que Junos OS Evolved acceda a un puntero no inicializado, causando que RPD se convierta en el core conllevando a una Denegación de servicio (DoS). La recepción continua de estos tipos de paquetes de actualización de BGP válidos causará una condición de denegación de servicio extendida. RPD requerirá un reinicio para recuperarse. Un indicador de compromiso es visualizar si el archivo rpd.re existe al emitir el comando: show system core-dumps Este problema afecta a: Juniper Networks Junos OS Evolved versiones 19.4 anteriores a 19.4R2-S2-EVO; versiones 20.1 anteriores a 20.1R1-S2-EVO, 20.1R2-S1-EVO. Este problema no afecta a Junos OS"}],"metrics":{"cvssMetricV31":[{"source":"sirt@juniper.net","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":3.6},{"source":"nvd@nist.gov","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","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:A/AC:M/Au:N/C:N/I:N/A:C","baseScore":5.7,"accessVector":"ADJACENT_NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"MEDIUM","exploitabilityScore":5.5,"impactScore":6.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"sirt@juniper.net","type":"Secondary","description":[{"lang":"en","value":"CWE-824"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-824"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:19.4:r1:*:*:*:*:*:*","matchCriteriaId":"83447F3F-79A3-41DF-8FD1-31DCFCBE40A4"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:19.4:r2:*:*:*:*:*:*","matchCriteriaId":"2B14CED1-BEAF-4343-A05D-FB1E2B6AC955"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:19.4:r2-s1:*:*:*:*:*:*","matchCriteriaId":"ABB91C38-8C70-436A-83DB-42B8DF81D7D8"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:20.1:-:*:*:*:*:*:*","matchCriteriaId":"AED25FB6-E3FA-4543-90B2-50068D683D50"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:20.1:r1:*:*:*:*:*:*","matchCriteriaId":"F64FBB4B-7CBF-499B-A523-804857DEFAFA"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:20.1:r1-s1:*:*:*:*:*:*","matchCriteriaId":"EEBE159F-5D94-4C18-B922-331586BEA2CA"}]}]}],"references":[{"url":"https://kb.juniper.net/JSA11099","source":"sirt@juniper.net","tags":["Vendor Advisory"]},{"url":"https://kb.juniper.net/JSA11099","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}