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VULNERABILITIES

CVE-2021-21985 Details

Description

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.

Metrics

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21985 CISA-ADPUS Government Resource
http://packetstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.html CVEThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/163487/VMware-vCenter-Server-Virtual-SAN-Health-Check-Remote-Code-Execution.html CVEExploitThird Party AdvisoryVDB Entry
https://www.vmware.com/security/advisories/VMSA-2021-0010.html CVEVendor Advisory
http://packetstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.html [email protected]Third Party AdvisoryVDB Entry

see all 7 references

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability NameDate AddedDue DateRequired Action
VMware vCenter Server Improper Input Validation VulnerabilityNov 3, 2021Nov 17, 2021Apply updates per vendor instructions.

Weakness Enumeration

CWE-IDCWE NameSource
CWE-918Server-Side Request Forgery (SSRF)[email protected]
CWE-20Improper Input ValidationCISA-ADP
CWE-470Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')CISA-ADP
CWE-918Server-Side Request Forgery (SSRF)CISA-ADP

Affected Products

ProductVersions
vmware vcenter server
6.5 -
6.5 a
6.5 b
6.5 c
6.5 d

CPE

  • cpe:2.3:a:vmware:vcenter_server:6.5:-:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:a:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:b:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:c:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:d:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:e:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:f:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:update1:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:update1b:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:update1c:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:update1d:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:update1e:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:update1g:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:update2:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:update2b:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:update2c:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:update2d:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:update2g:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:update3:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:update3d:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:update3f:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:update3k:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.5:update3n:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.7:-:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.7:a:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.7:b:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.7:d:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.7:update1:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.7:update1b:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.7:update2:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.7:update2a:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.7:update2c:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.7:update3:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.7:update3a:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.7:update3b:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.7:update3f:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.7:update3g:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.7:update3j:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.7:update3l:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:6.7:update3m:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:7.0:-:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:7.0:a:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:7.0:b:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:7.0:c:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:7.0:d:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:7.0:update1:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:7.0:update1a:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:7.0:update1c:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:7.0:update1d:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:7.0:update2:*:*:*:*:*:*
  • cpe:2.3:a:vmware:vcenter_server:7.0:update2a:*:*:*:*:*:*

Remediation

  • No remediation found in references.
vmware cloud foundation
>= 3.0, < 3.10.2.1
>= 4.0, < 4.2.1

CPE

  • cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

53 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-21985
NVD Published Date:
May 26, 2021
NVD Last Modified:
Aug 12, 2026
Source:
[email protected]
CVE-2021-21985 Details - Not Deferred