VULNERABILITY INTELLIGENCE

CVE-2018-5503

CVSS score7.5 HIGH

EPSS probability1.68%

CISA KEVNot currently listed

Published2018-03-22

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

On F5 BIG-IP versions 13.0.0 - 13.1.0.3 or 12.0.0 - 12.1.3.1, TMM may restart when processing a specifically crafted page through a virtual server with an associated PEM policy that has content insertion as an action.

Weakness classification

CWE-20: Improper Input Validation

Primary references

f5sirt@f5.com — Third Party Advisory, VDB Entry
f5sirt@f5.com — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory