Main Vulnerability Database Vulnerabilities #VU26986

Path Traversal in Cisco UCS Director Express for Big Data and Cisco UCS Director - CVE-2020-3247

Published: April 16, 2020 / Updated: October 27, 2020

Vulnerability identifier: #VU26986

CSH Severity: High

CVSS v4: 7.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-3247

CWE-ID: CWE-22

Exploitation vector: Remote access

Exploit availability: Public exploit is 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 in the REST API . A remote authenticated attacker can send a specially crafted file and write or execute arbitrary files on the system.

Affected software

Cisco UCS Director Express for Big Data
Cisco UCS Director

How to mitigate CVE-2020-3247

Install update from vendor's website.

Cisco UCS Director Express for Big Data - update to 3.7.4.0
Cisco UCS Director - update to 6.7.4.0

Links to Public Exploits and PoC-codes

Exploit #4746 - Cisco UCS Director CopyFileRunnable run Arbitrary Symlink Remote Code Execution Vulnerability (October 27, 2020)

External References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsd-mult-vulns-UNfpdW4E

Related Security Bulletins

Multiple vulnerabilities in Cisco UCS Director and Cisco UCS Director Express for Big Data