VMware vCenter Server and Cloud Foundation Server Side Request Forgery (SSRF) Vulnerability (CVE-2021-21973)
Severity: medium · Patch status: patched · Since 2022-03-07 · CVE-2021-21973
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. CISA added CVE-2021-21973 to its Known Exploited Vulnerabilities catalog on Mar 7, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Mar 21, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch