Main Vulnerability Database Vulnerabilities #VU26989

Improper Authentication in Cisco UCS Director Express for Big Data and Cisco UCS Director - CVE-2020-3250

Published: April 16, 2020 / Updated: June 19, 2020

Vulnerability identifier: #VU26989

CSH Severity: High

CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-3250

CWE-ID: CWE-287

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to insufficient access control validation in the REST API. A remote attacker can send a specially crafted request, bypass authentication process, interact with the REST API and cause a denial of service (DoS) condition on the target system.

Affected software

Cisco UCS Director Express for Big Data
Cisco UCS Director

How to mitigate CVE-2020-3250

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 #3032 - Cisco UCS Director Cloupia Script RCE (June 19, 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