Is CVE-2021-22005 actively exploited?

Yes. CVE-2021-22005 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-22005 be exploited remotely?

The attack vector of CVE-2021-22005 has not been classified yet.

What is the CVSS score of CVE-2021-22005?

CVE-2021-22005 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-22005

HIGHCISA KEVIN THE WILD

CVE-2021-22005

Published: November 3, 2021

EPSS:94.46%probability of exploitation in 30 daysPercentile:100.0th

Official Description

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.

NVD Source

CISA KEV Advisory

VMware vCenter Server File Upload Vulnerability

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.

Added to KEV: 2021-11-03Federal patch deadline: 2021-11-17⚠ USED IN RANSOMWARE CAMPAIGNS

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

This vulnerability in VMware vCenter Server's Analytics service allows an attacker with network access to port 443 to upload malicious files and execute code. The high EPSS score of 0.94457 indicates a very high likelihood of exploitation, making this a critical vulnerability. It is confirmed to be actively exploited in the wild.

Active exploitation of this vulnerability has been observed in the wild, and it is listed in CISA's KEV catalog. The flaw is remotely exploitable via network access to port 443.

Recommended Action

Administrators should apply the latest security patches from VMware for vCenter Server to address this file upload vulnerability. Ensure that network access to port 443 on vCenter Server is restricted to trusted sources.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-22005 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2021-22005 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.