What is CVE-2018-5503?

CVE-2018-5503 is a high-severity vulnerability in F5 Big-Ip Policy Enforcement Manager, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2018-03-22.

How severe is CVE-2018-5503?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in F5 Big-Ip Policy Enforcement Manager

CVE-2018-5503

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.018 (75.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

F5 Big-ip_policy_enforcement_manager
F5 Networks, Inc. Big-ip (Pem) — versions 13.0.0 - 13.1.0.3, 12.0.0 - 12.1.3.1

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

f5sirt@f5.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
f5sirt@f5.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-5503?: CVE-2018-5503 is a high-severity vulnerability in F5 Big-Ip Policy Enforcement Manager, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2018-03-22.
How severe is CVE-2018-5503?: High severity. CVSS v3 base score is 7.5 out of 10.