Input validation error in BIG-IP - CVE-2021-23039
Published: August 30, 2021
Vulnerability identifier: #VU56156
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-23039
CWE-ID: CWE-20
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 user-supplied input in the Traffic Management Microkernel (TMM). A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Affected software
BIG-IP
How to mitigate CVE-2021-23039
Install updates from vendor's website.
BIG-IP - addressed in versions 14.1.2.8, 15.1.3, 16.0.1.2, 16.1.0