ACTIVELY EXPLOITED
CVE-2021-21973: VMware vCenter Server and Cloud Foundation Server Side Request Forgery (SSRF) Vulnerability
| Vendor | VMware |
|---|---|
| Product | vCenter Server and Cloud Foundation |
| Actively exploited | Yes |
| Added to CISA KEV | 7 Mar 2022 |
| CISA federal deadline | 21 Mar 2022 |
| Weakness (CWE) | CWE-20, CWE-918 |
Required action (CISA's text)
Apply updates per vendor instructions.
Description (NVD)
VMware vCenter Server and Cloud Foundation Server contain a SSRF vulnerability due to improper validation of URLs in a vCenter Server plugin. This allows for information disclosure.
SOURCES
Other VMware flaws
- CVE-2025-22226: VMware ESXi, Workstation, and Fusion Information Disclosure Vulnerability
- CVE-2025-22225: VMware ESXi Arbitrary Write Vulnerability
- CVE-2025-22224: VMware ESXi and Workstation TOCTOU Race Condition Vulnerability
- CVE-2024-38813: VMware vCenter Server Privilege Escalation Vulnerability
- CVE-2024-38812: VMware vCenter Server Heap-Based Buffer Overflow Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.