Path traversal in vCenter Server - CVE-2021-21980

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Main Vulnerability Database Vulnerabilities #VU58329

Path traversal in vCenter Server - CVE-2021-21980

Published: November 23, 2021


Vulnerability identifier: #VU58329
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-21980
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.


Affected software

vCenter Server
Dell Enterprise Hybrid Cloud
IBM Cloud Pak System

How to mitigate CVE-2021-21980

Install update from vendor's website.

vCenter Server - addressed in versions 6.5 U3r, 6.7 U3p
IBM Cloud Pak System - update to 2.3.3.5
Dell Enterprise Hybrid Cloud - update to 4.1.2

External References

Related Security Bulletins