CVE-2021-21973 Scanner
CVE-2021-21973 scanner - Server-Side Request Forgery (SSRF) vulnerability in VMware vCenter Server and VMware Cloud Foundation
Used 2.6k times · 5.9k assets checked · domain, ipv4, subdomain
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CISA Known Exploited Vulnerability
This CVE is actively exploited in the wild. CISA mandates federal agencies to patch immediately.
CVE
CVE-2021-21973
5.3
CVSSmedium
Exploitable remotely over the internet · no authentication required.
Description
The vSphere Client (HTML5) contains an SSRF (Server Side Request Forgery) vulnerability due to improper validation of URLs in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue by sending a POST request to vCenter Server plugin leading to information disclosure. This affects: VMware vCenter Server (7.x before 7.0 U1c, 6.7 before 6.7 U3l and 6.5 before 6.5 U3n) and VMware Cloud Foundation (4.x before 4.2 and 3.x before 3.10.1.2).
Attack Vector
Network
Privileges Req.
None
User Interaction
None
vmware vcenter servervmware cloud foundation
Updated Sep 18, 2026View on NVD →
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