SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-5505

On F5 BIG-IP versions 13.1.0 - 13.1.0.3, when ASM and AVR are both provisioned, TMM may restart while processing DNS requests when the virtual server is configured with a DNS profile and the Protocol setting is set to TCP.

MEDIUM 5.9EPSS 2.04%

Does this matter?

Lower severity and a low EPSS score (2.04%). Track it; it rarely justifies an emergency change on its own.

Description

On F5 BIG-IP versions 13.1.0 - 13.1.0.3, when ASM and AVR are both provisioned, TMM may restart while processing DNS requests when the virtual server is configured with a DNS profile and the Protocol setting is set to TCP.

CVSS 3.0
5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
2.04% probability · 81th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
f5/big-ip analytics · f5/big-ip application security manager
Source
f5sirt@f5.com
EPSS trend
0%3%5%27 October 2026: 2.04%27 October 202627 October 2026

EPSS 2.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.