Resource management error in Cisco FXOS - CVE-2022-20625

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Main Vulnerability Database Vulnerabilities #VU60839

Resource management error in Cisco FXOS - CVE-2022-20625

Published: February 24, 2022


Vulnerability identifier: #VU60839
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-20625
CWE-ID: CWE-399
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of Cisco Discovery Protocol messages that are processed by the Cisco Discovery Protocol service. A remote attacker on the local network can send specially crafted CDP messages to the system and perform a denial of service (DoS) attack.


Affected software

Cisco FXOS
Connectrix Cisco MDS 9000

How to mitigate CVE-2022-20625

Install updates from vendor's website.

Cisco FXOS - addressed in versions 2.3.1.219, 2.9.1.158, 2.10.1.179
Connectrix Cisco MDS 9000 - addressed in versions 8.4(2d), 9.2(2)

External References

Related Security Bulletins