CVE-2021-22048 in the critical feed json
The vCenter Server contains a privilege escalation vulnerability in the IWA (Integrated Windows Authentication) authentication mechanism.
published 2021-11-10 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9215
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 10.3%
- EPSS 10.3% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
10.30% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- n/a VMware vCenter Server and VMware Cloud Foundation
Classification
- Technology feeds
References
-
vmware.com
/security/advisories/VMSA-2021-0025.html
patch, vendor-advisory
-
packetstormsecurity.com
/files/167733/VMware-Security-Advisory-2022-0025.2.html
release-notes, third-party-advisory, vdb-entry
-
packetstormsecurity.com
/files/167795/VMware-Security-Advisory-2021-0025.3.html
release-notes, third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-22048
- NVD CVE-2021-22048
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.