#VU71784 Input validation error in BIG-IP AFM - CVE-2023-22281
Published: February 3, 2023
Vulnerability identifier: #VU71784
Vulnerability risk: Medium
CVSSv4.0: 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-2023-22281
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
BIG-IP AFM
BIG-IP AFM
Software vendor:
F5 Networks
F5 Networks
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input, when a BIG-IP AFM NAT policy with a destination NAT rule is configured on a FastL4 virtual server. A remote attacker can send specially crafted traffic to the system and cause the Traffic Management Microkernel (TMM) to terminate.
Remediation
Install updates from vendor's website.