CISA Known Exploited Vulnerability

CVE-2021-21973

VMware · vCenter Server and Cloud Foundation

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

Date added 2022-03-07

BOD 22-01 due date 2022-03-21

CWE CWE-20, CWE-918

Ransomware Unknown

CISA 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.

Required action

Apply updates per vendor instructions.

Notes & references

https://nvd.nist.gov/vuln/detail/CVE-2021-21973

Where this lands in 800-53

Vulnerability data triggers these controls during assessment and continuous monitoring.

RA-5 · Vulnerability Monitoring and Scanning
SI-2 · Flaw Remediation
CM-6 · Configuration Settings
SI-7 · Software, Firmware, and Information Integrity
CM-8 · System Component Inventory

External lookups

NVD · CVE-2021-21973
CVE.org · CVE-2021-21973
CISA KEV catalog (canonical)