{"id":"CVE-2022-22238","state":"PUBLISHED","title":"Junos OS and Junos OS Evolved: The rpd process will crash when a malformed incoming RESV message is processed","description":"An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). When an incoming RESV message corresponding to a protected LSP is malformed it causes an incorrect internal state resulting in an rpd core. This issue affects: Juniper Networks Junos OS All versions prior to 19.2R3-S6; 19.3 versions prior to 19.3R3-S6; 19.4 versions prior to 19.4R3-S8; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3-S1; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R1-S2, 21.2R3; 21.3 versions prior to 21.3R2. Juniper Networks Junos OS Evolved All versions prior to 20.2R3-S3-EVO; 20.3-EVO version 20.3R1-EVO and later versions; 20.4-EVO versions prior to 20.4R3-S1-EVO; 21.1-EVO version 21.1R1-EVO and later versions; 21.2-EVO version 21.2R1-EVO and later versions; 21.3-EVO versions prior to 21.3R2-EVO.","publishedAt":"2022-10-18T02:46:40.306Z","updatedAt":"2025-05-10T02:35:56.995Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:A/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":"unspecified","status":"affected","lessThan":"19.2R3-S6","versionType":"custom"},{"version":"19.3","status":"affected","lessThan":"19.3R3-S6","versionType":"custom"},{"version":"19.4","status":"affected","lessThan":"19.4R3-S8","versionType":"custom"},{"version":"20.1","status":"affected","lessThan":"20.1R3-S2","versionType":"custom"},{"version":"20.2","status":"affected","lessThan":"20.2R3-S3","versionType":"custom"},{"version":"20.3","status":"affected","lessThan":"20.3R3-S2","versionType":"custom"},{"version":"20.4","status":"affected","lessThan":"20.4R3-S1","versionType":"custom"},{"version":"21.1","status":"affected","lessThan":"21.1R3","versionType":"custom"},{"version":"21.2","status":"affected","lessThan":"21.2R1-S2, 21.2R3","versionType":"custom"},{"version":"21.3","status":"affected","lessThan":"21.3R2","versionType":"custom"}]},{"vendor":"Juniper Networks","product":"Junos OS Evolved","versions":[{"version":"unspecified","status":"affected","lessThan":"20.2R3-S3-EVO","versionType":"custom"},{"version":"20.3R1-EVO","status":"affected","lessThan":"20.3-EVO*","versionType":"custom"},{"version":"20.4-EVO","status":"affected","lessThan":"20.4R3-S1-EVO","versionType":"custom"},{"version":"21.1R1-EVO","status":"affected","lessThan":"21.1-EVO*","versionType":"custom"},{"version":"21.2R1-EVO","status":"affected","lessThan":"21.2-EVO*","versionType":"custom"},{"version":"21.3-EVO","status":"affected","lessThan":"21.3R2-EVO","versionType":"custom"}]}],"references":["https://kb.juniper.net/JSA69894"],"weaknesses":["CWE-754"],"ingestedAt":"2026-10-29T19:49:38.433Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/22xxx/CVE-2022-22238.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-22238","state":"PUBLISHED","datePublished":"2022-10-18T02:46:40.306Z","dateUpdated":"2025-05-10T02:35:56.995Z","assignerShortName":"juniper","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateReserved":"2021-12-21T00:00:00.000Z"},"containers":{"cna":{"title":"Junos OS and Junos OS Evolved: The rpd process will crash when a malformed incoming RESV message is processed","descriptions":[{"lang":"en","value":"An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). When an incoming RESV message corresponding to a protected LSP is malformed it causes an incorrect internal state resulting in an rpd core. This issue affects: Juniper Networks Junos OS All versions prior to 19.2R3-S6; 19.3 versions prior to 19.3R3-S6; 19.4 versions prior to 19.4R3-S8; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3-S1; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R1-S2, 21.2R3; 21.3 versions prior to 21.3R2. Juniper Networks Junos OS Evolved All versions prior to 20.2R3-S3-EVO; 20.3-EVO version 20.3R1-EVO and later versions; 20.4-EVO versions prior to 20.4R3-S1-EVO; 21.1-EVO version 21.1R1-EVO and later versions; 21.2-EVO version 21.2R1-EVO and later versions; 21.3-EVO versions prior to 21.3R2-EVO."}],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"unspecified","status":"affected","lessThan":"19.2R3-S6","versionType":"custom"},{"version":"19.3","status":"affected","lessThan":"19.3R3-S6","versionType":"custom"},{"version":"19.4","status":"affected","lessThan":"19.4R3-S8","versionType":"custom"},{"version":"20.1","status":"affected","lessThan":"20.1R3-S2","versionType":"custom"},{"version":"20.2","status":"affected","lessThan":"20.2R3-S3","versionType":"custom"},{"version":"20.3","status":"affected","lessThan":"20.3R3-S2","versionType":"custom"},{"version":"20.4","status":"affected","lessThan":"20.4R3-S1","versionType":"custom"},{"version":"21.1","status":"affected","lessThan":"21.1R3","versionType":"custom"},{"version":"21.2","status":"affected","lessThan":"21.2R1-S2, 21.2R3","versionType":"custom"},{"version":"21.3","status":"affected","lessThan":"21.3R2","versionType":"custom"}]},{"vendor":"Juniper Networks","product":"Junos OS Evolved","versions":[{"version":"unspecified","status":"affected","lessThan":"20.2R3-S3-EVO","versionType":"custom"},{"version":"20.3R1-EVO","status":"affected","lessThan":"20.3-EVO*","versionType":"custom"},{"version":"20.4-EVO","status":"affected","lessThan":"20.4R3-S1-EVO","versionType":"custom"},{"version":"21.1R1-EVO","status":"affected","lessThan":"21.1-EVO*","versionType":"custom"},{"version":"21.2R1-EVO","status":"affected","lessThan":"21.2-EVO*","versionType":"custom"},{"version":"21.3-EVO","status":"affected","lessThan":"21.3R2-EVO","versionType":"custom"}]}],"references":[{"url":"https://kb.juniper.net/JSA69894"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"ADJACENT_NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-754","type":"CWE","lang":"en","description":"CWE-754 Improper Check for Unusual or Exceptional Conditions"}]},{"descriptions":[{"type":"text","lang":"en","description":"Denial of Service (DoS)"}]}],"providerMetadata":{"shortName":"juniper","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateUpdated":"2022-10-18T00:00:00.000Z"},"datePublic":"2022-10-12T00:00:00.000Z","x_generator":{"engine":"Vulnogram 0.0.9"},"source":{"advisory":"JSA69894","defect":["1560059"],"discovery":"INTERNAL"},"configurations":[{"lang":"en","value":"To be affected by this issue the device must be configured with node protection for at least one LSP with either of:\n\n  [protocols rsvp mpls label-switched-path <lsp-name> node-protection]\n  [protocols rsvp mpls label-switched-path <lsp-name> node-link-protection]"}],"workarounds":[{"lang":"en","value":"There are no viable workarounds for this issue."}],"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: \nJunos OS: 19.4R3-S8, 20.1R3-S2, 20.2R3-S3, 20.3R3-S2, 20.4R3-S1, 21.1R3, 21.2R1-S2, 21.2R3, 21.3R2, 21.4R1, and all subsequent releases.\nJunos OS Evolved: 20.2R3-S3-EVO, 20.4R3-S1-EVO, 21.3R2-EVO, 21.4R1-EVO, and all subsequent releases."}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://kb.juniper.net/JSA69894","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T03:07:50.170Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-10T02:35:40.270232Z","id":"CVE-2022-22238","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-05-10T02:35:56.995Z"}}]}}}