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CVE-2021-22005: VMware vCenter Server File Upload Vulnerability

criticalknown exploitedpublic exploitCVE-2021-22005
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
VMware vCenter Server contains a file upload vulnerability in the Analytics service that allows a user with network access to port 443 to execute code.

CSIRTS triage

vendor: VMwareproduct: vCenter ServerRemote code execution
What
VMware vCenter Server has a file upload vulnerability that allows code execution.
Who is affected
Users with network access to VMware vCenter Server.
Urgency
Immediate action is required due to active exploitation and critical severity.
Action
Update vCenter Server to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-22005

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2021-22005coverage & exploitation statusNVD · CVE.org

Recent advisories for VMware vCenter Server

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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