Vulnerability CVE-2021-21985


Published: 2021-05-26

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.

See advisories in our WLB2 database:
Topic
Author
Date
High
VMware vCenter Server Virtual SAN Health Check Remote Code Execution
wvu
15.07.2021

Type:

CWE-20

(Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Vmware -> Vcenter server 
Vmware -> Cloud foundation 

 References:
https://www.vmware.com/security/advisories/VMSA-2021-0010.html
http://packetstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.html

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