{"id":"CVE-2026-21926","state":"PUBLISHED","title":"Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure).  Supported versions that are affected are 17.0-25.2. Easily exploitable ","description":"Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure).  Supported versions that are affected are 17.0-25.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Siebel CRM Deployment.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Deployment. CVSS 3.1 Base Score 7.5 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).","publishedAt":"2026-01-20T21:56:21.443Z","updatedAt":"2026-01-21T20:51:46.300Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"oracle"},"assigner":"oracle","products":["Oracle Corporation Siebel CRM Deployment"],"affected":[{"vendor":"Oracle Corporation","product":"Siebel CRM Deployment","versions":[{"version":"17.0","status":"affected","lessThanOrEqual":"25.2","versionType":"custom"}]}],"references":["https://www.oracle.com/security-alerts/cpujan2026.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/21xxx/CVE-2026-21926.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-21926","state":"PUBLISHED","datePublished":"2026-01-20T21:56:21.443Z","dateUpdated":"2026-01-21T20:51:46.300Z","assignerShortName":"oracle","assignerOrgId":"43595867-4340-4103-b7a2-9a5208d29a85","dateReserved":"2026-01-05T18:07:34.708Z"},"containers":{"cna":{"descriptions":[{"lang":"en-US","value":"Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure).  Supported versions that are affected are 17.0-25.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Siebel CRM Deployment.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Deployment. CVSS 3.1 Base Score 7.5 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)."}],"affected":[{"vendor":"Oracle Corporation","product":"Siebel CRM Deployment","versions":[{"version":"17.0","status":"affected","lessThanOrEqual":"25.2","versionType":"custom"}]}],"references":[{"url":"https://www.oracle.com/security-alerts/cpujan2026.html","name":"Oracle Advisory","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"lang":"en-US","description":"Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Siebel CRM Deployment.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Deployment."}]}],"providerMetadata":{"shortName":"oracle","orgId":"43595867-4340-4103-b7a2-9a5208d29a85","dateUpdated":"2026-01-20T21:56:21.443Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:siebel_crm_deployment:*:*:*:*:*:*:*:*","versionStartIncluding":"17.0","versionEndIncluding":"25.2"}]}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-21T20:51:28.697060Z","id":"CVE-2026-21926","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","description":"CWE-noinfo Not enough information"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-21T20:51:46.300Z"}}]}}}