CVE-2018-15319

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-10-31 · updated 2026-06-17
Weakness: CWE-20

Description

On BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.1, or 12.1.0-12.1.3.6, malicious requests made to virtual servers with an HTTP profile can cause the TMM to restart. The issue is exposed with the non-default "normalize URI" configuration options used in iRules and/or BIG-IP LTM policies.

Affected products

F5 BIG-IP APM: from 12.1.0 through 12.1.3.6; from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
BIG-IP: from 12.1.0 through 12.1.3.6; from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 Big-Ip Analytics: from 12.1.0 through 12.1.3.6; from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 Networks, Inc. BIG-IP (AAM): from 12.1.0 through 12.1.3.6; from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 BIG-IP DNS: from 12.1.0 through 12.1.3.6; from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 Big-Ip Edge Gateway: from 12.1.0 through 12.1.3.6; from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 Big-Ip Fraud Protection Service: from 12.1.0 through 12.1.3.6; from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 Big-Ip Global Traffic Manager: from 12.1.0 through 12.1.3.6; from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 Big-Ip Link Controller: from 12.1.0 through 12.1.3.6; from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 BIG-IP (LTM): from 12.1.0 through 12.1.3.6; from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 Networks, Inc. BIG-IP (PEM): from 12.1.0 through 12.1.3.6; from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 Big-Ip Protocol Security Module: from 12.1.0 through 12.1.3.6; from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 Big-Ip Webaccelerator: from 12.1.0 through 12.1.3.6; from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2

References

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