← Global Threat Landscape
CVE-2021-22017
High
76.3
RPSRPS range: 0–105; KEV-listed vulnerabilities can receive an exploitation amplifier.
Description
Rhttproxy as used in vCenter Server contains a vulnerability due to improper implementation of URI normalization. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to bypass proxy leading to internal endpoints being accessed.
Source: NVD
Signals
- CVSS
- 5.3
- Medium · v3.1
- EPSS
- 49.17%
- Probability of exploitation in the next 30 days (FIRST)
- CISA KEV
- In CISA KEV since Jan 2022
- Fix commit
- No known fix commit
- Sources: MoreFixes, FreshFixes
- Weakness
- Not mapped
- Published
- 23 Sept 2021
- Last modified 30 Oct 2025
How to read these signals: RPS · EPSS · CISA KEV · Data sources
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Data as of 7 Oct 2026, 05:16 UK time