#VU72510 Improper Authentication in Cisco Systems, Inc products - CVE-2023-20012
Published: February 23, 2023
Vulnerability identifier: #VU72510
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-20012
CWE-ID: CWE-287
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco Nexus 9300-FX3 Series Fabric Extender (FEX)
UCS 6400 Series Fabric Interconnects
UCS 6500 Series Fabric Interconnects
N9K-C93180YC-FX3
N9K-C93180YC-FX3S
Cisco UCS
Cisco Nexus 9300-FX3 Series Fabric Extender (FEX)
UCS 6400 Series Fabric Interconnects
UCS 6500 Series Fabric Interconnects
N9K-C93180YC-FX3
N9K-C93180YC-FX3S
Cisco UCS
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a local attacker to bypass authentication process.
The vulnerability exists due to the improper implementation of the password validation function. An attacker with physical access can bypass authentication and execute a limited set of commands local to the FEX, leading to a device reboot and denial of service (DoS) condition.
Remediation
Install updates from vendor's website.