Improper Authentication in Cisco UCS Director and Cisco UCS Director Express for Big Data - CVE-2020-3243
Published: April 16, 2020 / Updated: October 27, 2020
Vulnerability identifier: #VU26985
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2020-3243
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
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 and interact with the REST API with administrative privileges.
How to mitigate CVE-2020-3243
Install update from vendor's website.