CVE-2021-22017 (GCVE-0-2021-22017)
Vulnerability from cvelistv5 – Published: 2021-09-23 12:13 – Updated: 2025-10-21 23:25
VLAI?
CISA
Summary
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.
Severity ?
5.3 (Medium)
CWE
- Rhttpproxy bypass vulnerability
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | VMware vCenter Server, VMware Cloud Foundation |
Affected:
VMware vCenter Server(6.7 before 6.7 U3o and 6.5 before 6.5 U3q) and VMware Cloud Foundation 3.x before 3.10.2.2
|
CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog
Date added: 2022-01-10
Due date: 2022-01-24
Required action: Apply updates per vendor instructions.
Used in ransomware: Unknown
Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-22017
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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