NetSight
medium5.3Known exploited

CVE-2021-21973

VMware vCenter Server and Cloud Foundation Server Side Request Forgery (SSRF) Vulnerability

Exploited in the wild

This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-03-07. Federal due date: 2022-03-21.

Apply updates per vendor instructions.

Impact

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).

Affected products

VendorProductAffected versions
VmwareCloud Foundation
from 3.0 before 3.10.1.2
from 4.0 before 4.2
VmwareVcenter Server
Versions 6.5, 6.7, 7.0

Weakness classification

References