A AegiFlow
CRITICALCVSS 9.8KNOWN EXPLOITEDRANSOMWARE: KNOWN

CVE-2021-21985

CVE-2021-21985 updated by NVD

Published
2021-11-03
Modified
2026-09-21
Sources
cisa-kev, nvd

Summary

The vSphere Client (HTML5) contains a remote code execution vulnerability due to lack of input validation in the Virtual SAN Health Check plug-in which is enabled by default in vCenter Server. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server.

References

Includes data from the CISA Known Exploited Vulnerabilities catalog.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.