{"id":"CVE-2021-22048","aliases":["EUVD-2021-9215","GHSA-mcvx-m9qp-9vfp"],"status":"published","title":"The vCenter Server contains a privilege escalation vulnerability in the IWA (Integrated Windows...","description":"The vCenter Server contains a privilege escalation vulnerability in the IWA (Integrated Windows Authentication) authentication mechanism. A malicious actor with non-administrative access to vCenter Server may exploit this issue to elevate privileges to a higher privileged group.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.10296,"percentile":0.95756,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-11-10T17:50:53Z","modified":"2026-06-17T03:36:36Z","products":[{"vendor":"vmware","product":"cloud_foundation"},{"vendor":"vmware","product":"vcenter_server"}],"references":[{"url":"https://www.vmware.com/security/advisories/VMSA-2021-0025.html","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/167733/VMware-Security-Advisory-2022-0025.2.html","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","VDB Entry"]},{"url":"http://packetstormsecurity.com/files/167795/VMware-Security-Advisory-2021-0025.3.html","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22048"},{"url":"https://github.com/advisories/GHSA-mcvx-m9qp-9vfp"}],"sources":{"cve":[{"id":"CVE-2021-22048","description":"The vCenter Server contains a privilege escalation vulnerability in the IWA (Integrated Windows Authentication) authentication mechanism. A malicious actor with non-administrative access to vCenter Server may exploit this issue to elevate privileges to a higher privileged group.","status":"published","published":"2021-11-10T17:50:53Z","modified":"2024-08-03T18:30:23.971Z","updated_at":"2026-11-02T14:32:58.028461Z"}],"euvd":[{"id":"EUVD-2021-9215","description":"The vCenter Server contains a privilege escalation vulnerability in the IWA (Integrated Windows Authentication) authentication mechanism. A malicious actor with non-administrative access to vCenter Server may exploit this issue to elevate privileges to a higher privileged group.","status":"published","published":"2021-11-10T17:50:53Z","modified":"2024-08-03T18:30:23Z","updated_at":"2026-11-03T03:25:03.638882Z"}],"ghsa":[{"id":"GHSA-mcvx-m9qp-9vfp","title":"The vCenter Server contains a privilege escalation vulnerability in the IWA (Integrated Windows...","description":"The vCenter Server contains a privilege escalation vulnerability in the IWA (Integrated Windows Authentication) authentication mechanism. A malicious actor with non-administrative access to vCenter Server may exploit this issue to elevate privileges to a higher privileged group.","status":"published","published":"2022-05-24T19:20:16Z","modified":"2023-01-27T05:04:08Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:42:24.095154Z"}],"nvd":[{"id":"CVE-2021-22048","description":"The vCenter Server contains a privilege escalation vulnerability in the IWA (Integrated Windows Authentication) authentication mechanism. A malicious actor with non-administrative access to vCenter Server may exploit this issue to elevate privileges to a higher privileged group.","status":"published","published":"2021-11-10T18:15:08.037Z","modified":"2026-06-17T03:36:36.447Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:00.984108Z"}]}}