{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2023-22402","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","assignerShortName":"juniper","dateUpdated":"2025-04-07T20:06:56.856Z","dateReserved":"2022-12-27T00:00:00.000Z","datePublished":"2023-01-12T00:00:00.000Z"},"containers":{"cna":{"title":"Junos OS Evolved: The kernel might restart in a BGP scenario where \"bgp auto-discovery\" is enabled and such a neighbor flaps","datePublic":"2023-01-11T00:00:00.000Z","providerMetadata":{"orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","shortName":"juniper","dateUpdated":"2023-01-12T00:00:00.000Z"},"descriptions":[{"lang":"en","value":"A Use After Free vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). In a Non Stop Routing (NSR) scenario, an unexpected kernel restart might be observed if \"bgp auto-discovery\" is enabled and if there is a BGP neighbor flap of auto-discovery sessions for any reason. This is a race condition which is outside of an attackers direct control and it depends on system internal timing whether this issue occurs. This issue affects Juniper Networks Junos OS Evolved: 21.3 versions prior to 21.3R3-EVO; 21.4 versions prior to 21.4R2-EVO; 22.1 versions prior to 22.1R2-EVO; 22.2 versions prior to 22.2R1-S1-EVO, 22.2R2-EVO."}],"affected":[{"vendor":"Juniper Networks","product":"Junos OS Evolved","versions":[{"version":"21.3","status":"affected","lessThan":"21.3R3-EVO","versionType":"custom"},{"version":"21.4","status":"affected","lessThan":"21.4R2-EVO","versionType":"custom"},{"version":"22.1","status":"affected","lessThan":"22.1R2-EVO","versionType":"custom"},{"version":"22.2","status":"affected","lessThan":"22.2R1-S1-EVO, 22.2R2-EVO","versionType":"custom"}]}],"references":[{"url":"https://kb.juniper.net/JSA70198"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","description":"CWE-416 Use After Free","cweId":"CWE-416"}]},{"descriptions":[{"type":"text","lang":"en","description":"Denial of Service (DoS)"}]}],"x_generator":{"engine":"Vulnogram 0.0.9"},"source":{"advisory":"JSA70198","defect":["1636063"],"discovery":"USER"},"configurations":[{"lang":"en","value":"To be exposed to this is issue non-stop routing (NSR) and BGP auto-discovery need to be configured:\n\n  [routing-options nonstop-routing]\n  [protocols bgp group <name> dynamic-neighbor <template> peer-auto-discovery]"}],"workarounds":[{"lang":"en","value":"There are no known 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: 21.3R3-EVO, 21.4R2-EVO, 22.1R2-EVO, 22.2R1-S1-EVO, 22.2R2-EVO, 22.3R1-EVO, and all subsequent releases."}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T10:07:06.572Z"},"title":"CVE Program Container","references":[{"url":"https://kb.juniper.net/JSA70198","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-07T20:06:46.953989Z","id":"CVE-2023-22402","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-04-07T20:06:56.856Z"}}]}}