Resource management error in Cisco FXOS - CVE-2022-20625
Published: February 24, 2022
Vulnerability identifier: #VU60839
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2022-20625
CWE-ID: CWE-399
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco FXOS
Cisco FXOS
Detailed vulnerability description
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.
How to mitigate CVE-2022-20625
Install updates from vendor's website.
Sources
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cdp-dos-G8DPLWYG
- https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvz72442
- https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvz72462
- https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvz72463
- https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvz72464
- https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvz72465
- https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvz72466
- https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvz72467
- https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvz74433