Resource exhaustion in Cisco UCS Manager and Cisco NX-OS - CVE-2022-20624
Published: February 24, 2022
Vulnerability identifier: #VU60840
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2022-20624
CWE-ID: CWE-400
Exploitation vector: Remote access
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 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.
Affected software
Cisco UCS Manager
Cisco NX-OS
Cisco NX-OS
How to mitigate CVE-2022-20624
Install updates from vendor's website.
Cisco UCS Manager - addressed in versions 4.1(3h), 4.2(1l)
Cisco NX-OS - addressed in versions 7.0(3)I7(10), 9.3(8)
Cisco NX-OS - addressed in versions 7.0(3)I7(10), 9.3(8)