CVE-2017-6138

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-12-21 · updated 2026-06-17
Weakness: CWE-20

Description

In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM and WebSafe software version 13.0.0 and 12.1.0 - 12.1.2, malicious requests made to virtual servers with an HTTP profile can cause the TMM to restart. The issue is exposed with BIG-IP APM profiles, regardless of settings. The issue is also 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 12.1.2; 13.0.0
BIG-IP: from 12.1.0 through 12.1.2; 13.0.0
F5 Big-Ip Analytics: from 12.1.0 through 12.1.2; 13.0.0
F5 Networks, Inc. BIG-IP (AAM): from 12.1.0 through 12.1.2; 13.0.0
BIG-IP ASM: from 12.1.0 through 12.1.2; 13.0.0
F5 Networks, Inc. BIG-IP (DNS): from 12.1.0 through 12.1.2; 13.0.0
F5 Big-Ip Global Traffic Manager: from 12.1.0 through 12.1.2; 13.0.0
F5 Big-Ip Link Controller: from 12.1.0 through 12.1.2; 13.0.0
F5 BIG-IP (LTM): from 12.1.0 through 12.1.2; 13.0.0
F5 Networks, Inc. BIG-IP (PEM): from 12.1.0 through 12.1.2; 13.0.0
F5 Big-Ip Websafe: from 12.1.0 through 12.1.2; 13.0.0

References

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