CVE-2021-22048
The vCenter Server contains a privilege escalation vulnerability in the IWA (Integrated Windows Authentication) authentication mechanism.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 10.3%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 10.30% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- vmware/cloud foundation · vmware/vcenter server
- Source
- security@vmware.com
EPSS 10.3% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/167733/VMware-Security-Advisory-2022-0025.2.htmlRelease Notes, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/167795/VMware-Security-Advisory-2021-0025.3.htmlRelease Notes, Third Party Advisory, VDB Entry
- https://www.vmware.com/security/advisories/VMSA-2021-0025.htmlPatch, Vendor Advisory
- http://packetstormsecurity.com/files/167733/VMware-Security-Advisory-2022-0025.2.htmlRelease Notes, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/167795/VMware-Security-Advisory-2021-0025.3.htmlRelease Notes, Third Party Advisory, VDB Entry
- https://www.vmware.com/security/advisories/VMSA-2021-0025.htmlPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.