CVE-2021-21973
CISA KEVPublished March 7, 2022 · Updated April 3, 2026
high
Official Description+
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.
Affected Products
| Vendor | Product |
|---|---|
| VMware | vCenter Server and Cloud Foundation |
Patch Status
Patch by 2022-03-21
Recommended Actions
- Check if your systems use any of the affected products listed above.
- Apply vendor patches immediately if available.
- This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
- Monitor vendor advisories for updates and additional mitigations.
- Review logs for indicators of compromise related to CVE-2021-21973.