#VU49065 Resource exhaustion in BIG-IP APM - CVE-2020-27724
Published: December 17, 2020
Vulnerability identifier: #VU49065
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2020-27724
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
BIG-IP APM
BIG-IP APM
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 BIG-IP APM does not properly control consumption of internal resources on systems running more than one TMM instance. A remote authenticated VPN user can consume excessive resources by sending specially-crafted malicious traffic over the tunnel. and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.