{"id":"CVE-2021-0281","state":"PUBLISHED","title":"Junos OS and Junos OS Evolved: Specific packets can trigger rpd crash when BGP Origin Validation is configured with RPKI","description":"On Juniper Networks Junos OS devices configured with BGP origin validation using Resource Public Key Infrastructure (RPKI) receipt of a specific packet from the RPKI cache server may cause routing process daemon (RPD) to crash and restart, creating a Denial of Service (DoS) condition. Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS 17.3 versions prior to 17.3R3-S12; 17.4 versions prior to 17.4R3-S5; 18.1 versions prior to 18.1R3-S13; 18.2 versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R2-S8, 18.4R3-S8; 19.1 versions prior to 19.1R3-S5; 19.2 versions prior to 19.2R3-S2; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R2-S4, 19.4R3-S3; 20.1 versions prior to 20.1R3; 20.2 versions prior to 20.2R3; 20.3 versions prior to 20.3R2; 20.4 versions prior to 20.4R2. Juniper Networks Junos OS Evolved All versions prior to 20.4R2-S2-EVO.","publishedAt":"2021-07-15T20:00:53.845Z","updatedAt":"2024-09-16T18:08:46.744Z","severity":{"score":5.9,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"juniper"},"assigner":"juniper","products":["Juniper Networks Junos OS","Juniper Networks Junos OS Evolved"],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"17.3","status":"affected","lessThan":"17.3R3-S12","versionType":"custom"},{"version":"17.4","status":"affected","lessThan":"17.4R3-S5","versionType":"custom"},{"version":"18.1","status":"affected","lessThan":"18.1R3-S13","versionType":"custom"},{"version":"18.2","status":"affected","lessThan":"18.2R3-S8","versionType":"custom"},{"version":"18.3","status":"affected","lessThan":"18.3R3-S5","versionType":"custom"},{"version":"18.4","status":"affected","lessThan":"18.4R2-S8, 18.4R3-S8","versionType":"custom"},{"version":"19.1","status":"affected","lessThan":"19.1R3-S5","versionType":"custom"},{"version":"19.2","status":"affected","lessThan":"19.2R3-S2","versionType":"custom"},{"version":"19.3","status":"affected","lessThan":"19.3R2-S6, 19.3R3-S2","versionType":"custom"},{"version":"19.4","status":"affected","lessThan":"19.4R2-S4, 19.4R3-S3","versionType":"custom"},{"version":"20.1","status":"affected","lessThan":"20.1R3","versionType":"custom"},{"version":"20.2","status":"affected","lessThan":"20.2R3","versionType":"custom"},{"version":"20.3","status":"affected","lessThan":"20.3R2","versionType":"custom"},{"version":"20.4","status":"affected","lessThan":"20.4R2","versionType":"custom"}]},{"vendor":"Juniper Networks","product":"Junos OS Evolved","versions":[{"version":"All","status":"affected","lessThan":"20.4R2-S2-EVO","versionType":"custom"}]}],"references":["https://kb.juniper.net/JSA11185"],"weaknesses":["CWE-754"],"ingestedAt":"2026-10-29T19:47:50.134Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/0xxx/CVE-2021-0281.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-0281","state":"PUBLISHED","datePublished":"2021-07-15T20:00:53.845Z","dateUpdated":"2024-09-16T18:08:46.744Z","assignerShortName":"juniper","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateReserved":"2020-10-27T00:00:00.000Z"},"containers":{"cna":{"title":"Junos OS and Junos OS Evolved: Specific packets can trigger rpd crash when BGP Origin Validation is configured with RPKI","descriptions":[{"lang":"en","value":"On Juniper Networks Junos OS devices configured with BGP origin validation using Resource Public Key Infrastructure (RPKI) receipt of a specific packet from the RPKI cache server may cause routing process daemon (RPD) to crash and restart, creating a Denial of Service (DoS) condition. Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS 17.3 versions prior to 17.3R3-S12; 17.4 versions prior to 17.4R3-S5; 18.1 versions prior to 18.1R3-S13; 18.2 versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R2-S8, 18.4R3-S8; 19.1 versions prior to 19.1R3-S5; 19.2 versions prior to 19.2R3-S2; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R2-S4, 19.4R3-S3; 20.1 versions prior to 20.1R3; 20.2 versions prior to 20.2R3; 20.3 versions prior to 20.3R2; 20.4 versions prior to 20.4R2. Juniper Networks Junos OS Evolved All versions prior to 20.4R2-S2-EVO."}],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"17.3","status":"affected","lessThan":"17.3R3-S12","versionType":"custom"},{"version":"17.4","status":"affected","lessThan":"17.4R3-S5","versionType":"custom"},{"version":"18.1","status":"affected","lessThan":"18.1R3-S13","versionType":"custom"},{"version":"18.2","status":"affected","lessThan":"18.2R3-S8","versionType":"custom"},{"version":"18.3","status":"affected","lessThan":"18.3R3-S5","versionType":"custom"},{"version":"18.4","status":"affected","lessThan":"18.4R2-S8, 18.4R3-S8","versionType":"custom"},{"version":"19.1","status":"affected","lessThan":"19.1R3-S5","versionType":"custom"},{"version":"19.2","status":"affected","lessThan":"19.2R3-S2","versionType":"custom"},{"version":"19.3","status":"affected","lessThan":"19.3R2-S6, 19.3R3-S2","versionType":"custom"},{"version":"19.4","status":"affected","lessThan":"19.4R2-S4, 19.4R3-S3","versionType":"custom"},{"version":"20.1","status":"affected","lessThan":"20.1R3","versionType":"custom"},{"version":"20.2","status":"affected","lessThan":"20.2R3","versionType":"custom"},{"version":"20.3","status":"affected","lessThan":"20.3R2","versionType":"custom"},{"version":"20.4","status":"affected","lessThan":"20.4R2","versionType":"custom"}]},{"vendor":"Juniper Networks","product":"Junos OS Evolved","versions":[{"version":"All","status":"affected","lessThan":"20.4R2-S2-EVO","versionType":"custom"}]}],"references":[{"url":"https://kb.juniper.net/JSA11185","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-754","description":"CWE-754 Improper Check for Unusual or Exceptional Conditions","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"juniper","dateUpdated":"2021-07-15T20:00:53.000Z","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968"},"configurations":[{"lang":"en","value":"The config stanza affected by this issue:\n  [ routing-options validation group <group-name> session <IP address> ]"}],"datePublic":"2021-07-14T00:00:00.000Z","exploits":[{"lang":"en","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"solutions":[{"lang":"en","value":"The following software releases have been updated to resolve this specific issue: \n\nJunos OS 17.3R3-S12, 17.4R3-S5, 18.1R3-S13, 18.2R3-S8, 18.3R3-S5, 18.4R2-S8, 18.4R3-S8, 19.1R3-S5, 19.2R3-S2, 19.3R2-S6, 19.3R3-S2, 19.4R2-S4, 19.4R3-S3, 20.1R3, 20.2R3, 20.3R2, 20.4R2, 21.1R1 and all subsequent releases.\n\nJunos OS Evolved: 20.4R2-S2-EVO, 21.1R1-EVO, and all subsequent releases."}],"source":{"advisory":"JSA11185","defect":["1556207"],"discovery":"USER"},"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":"2021-07-14T16:00:00.000Z","ID":"CVE-2021-0281","STATE":"PUBLIC","TITLE":"Junos OS and Junos OS Evolved: Specific packets can trigger rpd crash when BGP Origin Validation is configured with RPKI"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Junos OS","version":{"version_data":[{"version_affected":"<","version_name":"17.3","version_value":"17.3R3-S12"},{"version_affected":"<","version_name":"17.4","version_value":"17.4R3-S5"},{"version_affected":"<","version_name":"18.1","version_value":"18.1R3-S13"},{"version_affected":"<","version_name":"18.2","version_value":"18.2R3-S8"},{"version_affected":"<","version_name":"18.3","version_value":"18.3R3-S5"},{"version_affected":"<","version_name":"18.4","version_value":"18.4R2-S8, 18.4R3-S8"},{"version_affected":"<","version_name":"19.1","version_value":"19.1R3-S5"},{"version_affected":"<","version_name":"19.2","version_value":"19.2R3-S2"},{"version_affected":"<","version_name":"19.3","version_value":"19.3R2-S6, 19.3R3-S2"},{"version_affected":"<","version_name":"19.4","version_value":"19.4R2-S4, 19.4R3-S3"},{"version_affected":"<","version_name":"20.1","version_value":"20.1R3"},{"version_affected":"<","version_name":"20.2","version_value":"20.2R3"},{"version_affected":"<","version_name":"20.3","version_value":"20.3R2"},{"version_affected":"<","version_name":"20.4","version_value":"20.4R2"}]}},{"product_name":"Junos OS Evolved","version":{"version_data":[{"version_affected":"<","version_name":"All","version_value":"20.4R2-S2-EVO"}]}}]},"vendor_name":"Juniper Networks"}]}},"configuration":[{"lang":"en","value":"The config stanza affected by this issue:\n  [ routing-options validation group <group-name> session <IP address> ]"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"On Juniper Networks Junos OS devices configured with BGP origin validation using Resource Public Key Infrastructure (RPKI) receipt of a specific packet from the RPKI cache server may cause routing process daemon (RPD) to crash and restart, creating a Denial of Service (DoS) condition. Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS 17.3 versions prior to 17.3R3-S12; 17.4 versions prior to 17.4R3-S5; 18.1 versions prior to 18.1R3-S13; 18.2 versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R2-S8, 18.4R3-S8; 19.1 versions prior to 19.1R3-S5; 19.2 versions prior to 19.2R3-S2; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R2-S4, 19.4R3-S3; 20.1 versions prior to 20.1R3; 20.2 versions prior to 20.2R3; 20.3 versions prior to 20.3R2; 20.4 versions prior to 20.4R2. Juniper Networks Junos OS Evolved All versions prior to 20.4R2-S2-EVO."}]},"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":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-754 Improper Check for Unusual or Exceptional Conditions"}]}]},"references":{"reference_data":[{"name":"https://kb.juniper.net/JSA11185","refsource":"CONFIRM","url":"https://kb.juniper.net/JSA11185"}]},"solution":[{"lang":"en","value":"The following software releases have been updated to resolve this specific issue: \n\nJunos OS 17.3R3-S12, 17.4R3-S5, 18.1R3-S13, 18.2R3-S8, 18.3R3-S5, 18.4R2-S8, 18.4R3-S8, 19.1R3-S5, 19.2R3-S2, 19.3R2-S6, 19.3R3-S2, 19.4R2-S4, 19.4R3-S3, 20.1R3, 20.2R3, 20.3R2, 20.4R2, 21.1R1 and all subsequent releases.\n\nJunos OS Evolved: 20.4R2-S2-EVO, 21.1R1-EVO, and all subsequent releases."}],"source":{"advisory":"JSA11185","defect":["1556207"],"discovery":"USER"},"work_around":[{"lang":"en","value":"There are no viable workarounds for this issue."}]}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://kb.juniper.net/JSA11185","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T15:32:10.587Z"}}]}}}