{"schemaVersion":3,"id":"CVE-2023-20895","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The VMware vCenter Server contains a memory corruption vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may trigger a memory corruption vulnerability which may bypass authentication.","dates":{"published":"2023-06-22T11:57:15.954Z","modified":"2025-02-13T16:40:08.472Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":8.1,"severity":"high","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01375,"percentile":0.71773,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.01375},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.01375,"percentile":0.71773}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01375,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.01375,"percentile":0.71773}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-787","name":"Out-of-bounds Write","description":"The product writes data past the end, or before the beginning, of the intended buffer.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/787.html"}],"affected":[{"vendor":"vmware","product":"vcenter_server","name":"vCenter Server","label":"vcenter_server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 7.0","noFixRecorded":false,"fixedIn":null},{"text":"7.0","noFixRecorded":false,"fixedIn":null},{"text":"7.0:a","noFixRecorded":false,"fixedIn":null},{"text":"7.0:b","noFixRecorded":false,"fixedIn":null},{"text":"7.0:c","noFixRecorded":false,"fixedIn":null},{"text":"7.0:d","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update1","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update1a","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update1c","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update1d","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update2","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update2a","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update2b","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update2c","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update2d","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update3","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update3a","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update3c","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update3d","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update3e","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update3f","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update3g","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update3h","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update3i","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update3j","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update3k","noFixRecorded":false,"fixedIn":null},{"text":"7.0:update3l","noFixRecorded":false,"fixedIn":null},{"text":"8.0","noFixRecorded":false,"fixedIn":null},{"text":"8.0:a","noFixRecorded":false,"fixedIn":null},{"text":"8.0:b","noFixRecorded":false,"fixedIn":null},{"text":"8.0:c","noFixRecorded":false,"fixedIn":null},{"text":"8.0:update1","noFixRecorded":false,"fixedIn":null},{"text":"8.0:update1a","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 7.0 | 7.0 | 7.0:a | 7.0:b | 7.0:c | 7.0:d | 7.0:update1 | 7.0:update1a | 7.0:update1c | 7.0:update1d | 7.0:update2 | 7.0:update2a | 7.0:update2b | 7.0:update2c | 7.0:update2d | 7.0:update3 | 7.0:update3a | 7.0:update3c | 7.0:update3d | 7.0:update3e | 7.0:update3f | 7.0:update3g | 7.0:update3h | 7.0:update3i | 7.0:update3j | 7.0:update3k | 7.0:update3l | 8.0 | 8.0:a | 8.0:b | 8.0:c | 8.0:update1 | 8.0:update1a","eol":{"isEol":true,"eolDate":"2025-10-02T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"7.0","label":"7.0","eolFrom":"2025-10-02T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":"7.0 U3w"},"product":{"name":"vcenter","label":"VMware vCenter Server","category":"app"}},"hubHref":"/vendor/vmware/vcenter_server"},{"vendor":"vmware","product":"vmware cloud foundation (vcenter server)","name":"VMware Cloud Foundation (vCenter Server)","label":"vmware cloud foundation (vcenter server)","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 5.x, < 7.0 U3m, 8.0 U1b","noFixRecorded":false,"fixedIn":null},{"text":"≥ 4.x, < 7.0 U3m, 8.0 U1b","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 5.x, < 7.0 U3m, 8.0 U1b | ≥ 4.x, < 7.0 U3m, 8.0 U1b","eol":null,"hubHref":"/vendor/vmware/vmware_cloud_foundation_vcenter_server"},{"vendor":"vmware","product":"vmware vcenter server (vcenter server)","name":"VMware vCenter Server (vCenter Server)","label":"vmware vcenter server (vcenter server)","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 8.0, < 8.0 U1b","noFixRecorded":false,"fixedIn":null},{"text":"≥ 7.0, < 7.0 u3m","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 8.0, < 8.0 U1b | ≥ 7.0, < 7.0 u3m","eol":null,"hubHref":"/vendor/vmware/vmware_vcenter_server_vcenter_server"}],"affectedCount":3,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://www.vmware.com/security/advisories/VMSA-2023-0014.html","label":"www.vmware.com/security/advisories/VMSA-2023-0014.html","hostname":"www.vmware.com","tags":["Patch","Vendor Advisory"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1740","label":"www.talosintelligence.com/vulnerability_reports/TALOS-2023-1740","hostname":"www.talosintelligence.com","tags":[]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2023-06-22T11:57:15.954Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2025-02-13T16:40:08.472Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T18:32:22.504Z","stale":false,"partial":false}}