Vulnerability in Vmware Vcenter Server And Cloud Foundation
CVE-2021-21985
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…
EPSS: 0.944 (100.0th percentile) — read the EPSS interpretation.
Affected products
- N/a Vmware Vcenter Server And Cloud Foundation — versions VMware vCenter Server (7.x before 7.0 U2b, 6.7 before 6.7 U3n, 6.5 before 6.5 U3p) and VMware Cloud Foundation (4.x before 4.2.1, 3.x before 3.10.2.1)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- www.vmware.com/security/advisories/VMSA-2021-0010.html (x_refsource_MISC)
- packetstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.html (x_refsource_MISC)
- packetstormsecurity.com/files/163487/VMware-vCenter-Server-Virtual-SAN-Health-C… (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-21985?
- CVE-2021-21985 is a vulnerability in Vmware Vcenter Server And Cloud Foundation. Published 2021-05-26.
- Is CVE-2021-21985 known to be exploited?
- Yes. CVE-2021-21985 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 91 public proof-of-concept repositories are indexed.