January 10, 2022 · Applied Cybernetics Group
CVE-2021-22017 — VMware vCenter Server
VMware vCenter Server Improper Access Control
- Added to KEV
2022-01-10- Federal due date
2022-01-24- Vendor
- VMware
- Product
- vCenter Server
- EPSS
- 98.8th percentile (score 0.492, as of
2026-09-16) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- ATT&CK
- T1090.001 , T1190 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2021-22017
CISA short description
Rhttproxy as used in vCenter Server contains a vulnerability due to improper implementation of URI normalization.
Required action
Apply updates per vendor instructions.