#VU56158 Input validation error in BIG-IP - CVE-2021-23048
Published: August 30, 2021
Vulnerability identifier: #VU56158
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-23048
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
BIG-IP
BIG-IP
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 GPRS Tunneling Protocol (GTP) iRules commands or a GTP profile is configured on a virtual server. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.