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

 

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

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


Vulnerability identifier: #VU26989
CSH Severity: High
CVSS v4.0: 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/E:A/U:Amber
CVE-ID: CVE-2020-3250
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: Cisco Systems, Inc
Affected software:
Cisco UCS Director
Cisco UCS Director Express for Big Data

Detailed vulnerability description

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.


How to mitigate CVE-2020-3250

Install update from vendor's website.

Sources