[ CVE-2021-22005 · Published 23 Sep 2021 ]
VMware vCenter Server File Upload Vulnerability
Exploited · CISA KEV CVSS 9.8
EPSS 100%Fix available
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03
- Known to be used in ransomware campaigns
- EPSS: 100% chance of exploitation in the next 30 days (higher than 100% of CVEs)
- Critical severity: CVSS 9.8
[ Description ]Official description
The vCenter Server contains an arbitrary file upload vulnerability in the Analytics service. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to execute code on vCenter Server by uploading a specially crafted file.
CISA: 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.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 17 Nov 2021): Apply updates per vendor instructions.
- Patch on vmware.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
[ References ]References
- packetstormsecurity.com/files/164439/VMware-vCenter-Server-Analytics-CEIP-Service-File-…ExploitThird Party AdvisoryVDB Entry
- www.vmware.com/security/advisories/VMSA-2021-0020.htmlPatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource