Server-side request forgery in VMware vCenter Server, VMware Cloud Foundation
Priority LOW 31CWE-918Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.
Summary
The vCenter Server contains an SSRF (Server Side Request Forgery) vulnerability due to improper validation of URLs in vCenter Server Content Library. An authorised user with access to content library may exploit this issue by sending a POST request to vCenter Server leading to information disclosure.
Why it matters now
EPSS 0.00938 61st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | VMware vCenter Server, VMware Cloud Foundation | VMware vCenter Server(7.x before 7.0 U2c, 6.7 before 6.7 U3o and 6.5 before 6.5 U3q) and VMware Cloud Foundation (4.x before 4.3 and 3.x before 3.10.2.2) | — | No fix listed | CNA |
- VMware vCenter Server, VMware Cloud Foundation Vendor— Affected VMware vCenter Server(7.x before 7.0 U2c, 6.7 before 6.7 U3o and 6.5 before 6.5 U3q) and VMware Cloud Foundation (4.x before 4.3 and 3.x before 3.10.2.2) Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:* | 3.0 to before 5.0 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:6.5:-:*:*:*:*:*:* | 6.5 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:6.7:-:*:*:*:*:*:* | 6.7 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:7.0:-:*:*:*:*:*:* | 7.0 | Vulnerable | VMware |
- cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:* Versions 3.0 to before 5.0 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:6.5:-:*:*:*:*:*:* Versions 6.5 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:6.7:-:*:*:*:*:*:* Versions 6.7 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:7.0:-:*:*:*:*:*:* Versions 7.0 Vulnerable ·VMware
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-21993
- 2026-10-03 Alias added: GHSA-p52h-5fjj-x2pc
References
More VMware Cloud Foundation vulnerabilities
- TI-2024-26040 Privilege escalation in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2024-26039 Heap-overflow in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2024-24610 Out-of-bounds write in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2022-07131 Code injection in VMware Workspace ONE Access and Identity Manager KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05049 Path traversal in VMware vCenter Server, VMware Cloud Foundation KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05029 Improper input validation in VMware vCenter Server and VMware Cloud Foundation KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-21993 · CVE Program
- CVE-2021-21993 · NVD
- FIRST EPSS
- GHSA-p52h-5fjj-x2pc · GitHub Advisory Database · CC BY 4.0
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