Resource exhaustion in Cisco NX-OS and Cisco UCS - CVE-2022-20624

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Main Vulnerability Database Vulnerabilities #VU60840

Resource exhaustion in Cisco NX-OS and Cisco UCS - CVE-2022-20624

Published: February 24, 2022


Vulnerability identifier: #VU60840
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/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-2022-20624
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco NX-OS
Cisco UCS

Detailed vulnerability description

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

The vulnerability exists due to insufficient validation of incoming CFSoIP packets. A remote attacker can send specially crafted CFSoIP packets to the system, trigger resource exhaustion and perform a denial of service (DoS) attack.


How to mitigate CVE-2022-20624

Install updates from vendor's website.

Sources