CVE Vulnerabilities

CVE-2021-21985

Server-Side Request Forgery (SSRF)

Published: May 26, 2021 | Modified: Apr 02, 2025
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
10 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu

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.

Weakness

The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

Affected Software

Name Vendor Start Version End Version
Vcenter_server Vmware 6.5 (including) 6.5 (including)
Vcenter_server Vmware 6.5-a (including) 6.5-a (including)
Vcenter_server Vmware 6.5-b (including) 6.5-b (including)
Vcenter_server Vmware 6.5-c (including) 6.5-c (including)
Vcenter_server Vmware 6.5-d (including) 6.5-d (including)
Vcenter_server Vmware 6.5-e (including) 6.5-e (including)
Vcenter_server Vmware 6.5-f (including) 6.5-f (including)
Vcenter_server Vmware 6.5-update1 (including) 6.5-update1 (including)
Vcenter_server Vmware 6.5-update1b (including) 6.5-update1b (including)
Vcenter_server Vmware 6.5-update1c (including) 6.5-update1c (including)
Vcenter_server Vmware 6.5-update1d (including) 6.5-update1d (including)
Vcenter_server Vmware 6.5-update1e (including) 6.5-update1e (including)
Vcenter_server Vmware 6.5-update1g (including) 6.5-update1g (including)
Vcenter_server Vmware 6.5-update2 (including) 6.5-update2 (including)
Vcenter_server Vmware 6.5-update2b (including) 6.5-update2b (including)
Vcenter_server Vmware 6.5-update2c (including) 6.5-update2c (including)
Vcenter_server Vmware 6.5-update2d (including) 6.5-update2d (including)
Vcenter_server Vmware 6.5-update2g (including) 6.5-update2g (including)
Vcenter_server Vmware 6.5-update3 (including) 6.5-update3 (including)
Vcenter_server Vmware 6.5-update3d (including) 6.5-update3d (including)
Vcenter_server Vmware 6.5-update3f (including) 6.5-update3f (including)
Vcenter_server Vmware 6.5-update3k (including) 6.5-update3k (including)
Vcenter_server Vmware 6.5-update3n (including) 6.5-update3n (including)
Vcenter_server Vmware 6.7 (including) 6.7 (including)
Vcenter_server Vmware 6.7-a (including) 6.7-a (including)
Vcenter_server Vmware 6.7-b (including) 6.7-b (including)
Vcenter_server Vmware 6.7-d (including) 6.7-d (including)
Vcenter_server Vmware 6.7-update1 (including) 6.7-update1 (including)
Vcenter_server Vmware 6.7-update1b (including) 6.7-update1b (including)
Vcenter_server Vmware 6.7-update2 (including) 6.7-update2 (including)
Vcenter_server Vmware 6.7-update2a (including) 6.7-update2a (including)
Vcenter_server Vmware 6.7-update2c (including) 6.7-update2c (including)
Vcenter_server Vmware 6.7-update3 (including) 6.7-update3 (including)
Vcenter_server Vmware 6.7-update3a (including) 6.7-update3a (including)
Vcenter_server Vmware 6.7-update3b (including) 6.7-update3b (including)
Vcenter_server Vmware 6.7-update3f (including) 6.7-update3f (including)
Vcenter_server Vmware 6.7-update3g (including) 6.7-update3g (including)
Vcenter_server Vmware 6.7-update3j (including) 6.7-update3j (including)
Vcenter_server Vmware 6.7-update3l (including) 6.7-update3l (including)
Vcenter_server Vmware 6.7-update3m (including) 6.7-update3m (including)
Vcenter_server Vmware 7.0 (including) 7.0 (including)
Vcenter_server Vmware 7.0-a (including) 7.0-a (including)
Vcenter_server Vmware 7.0-b (including) 7.0-b (including)
Vcenter_server Vmware 7.0-c (including) 7.0-c (including)
Vcenter_server Vmware 7.0-d (including) 7.0-d (including)
Vcenter_server Vmware 7.0-update1 (including) 7.0-update1 (including)
Vcenter_server Vmware 7.0-update1a (including) 7.0-update1a (including)
Vcenter_server Vmware 7.0-update1c (including) 7.0-update1c (including)
Vcenter_server Vmware 7.0-update1d (including) 7.0-update1d (including)
Vcenter_server Vmware 7.0-update2 (including) 7.0-update2 (including)
Vcenter_server Vmware 7.0-update2a (including) 7.0-update2a (including)

References