CVE-2017-6136

Name: CVE-2017-6136
Creator: NVD / NIST
Published: 2017-12-21T17:29:00.48+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.41%

Last modified Jun 17, 2026

CVE-2017-6136 is a vulnerability of currently unknown severity. In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM and WebSafe software version 13.0.0 and 12.0.0 - 12.1.2, undisclosed traffic patterns sent to BIG-IP virtual servers, with the TCP Fast Open and Tail Loss Probe options enabled in the associated TCP profile, may cause a disruption of service to the Traffic Management Microkernel (TMM).. EPSS estimates a 1.41% chance of exploitation in the next 30 days.

Description

In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM and WebSafe software version 13.0.0 and 12.0.0 - 12.1.2, undisclosed traffic patterns sent to BIG-IP virtual servers, with the TCP Fast Open and Tail Loss Probe options enabled in the associated TCP profile, may cause a disruption of service to the Traffic Management Microkernel (TMM).

Metrics

EPSS Probability

1.41%

69.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
F5	Big-Ip Local Traffic Manager	>= 12.1.0, <= 12.1.2
F5	Big-Ip Local Traffic Manager	13.0.0
F5	Big-Ip Application Acceleration Manager	>= 12.1.0, <= 12.1.2
F5	Big-Ip Application Acceleration Manager	13.0.0
F5	Big-Ip Advanced Firewall Manager	>= 12.1.0, <= 12.1.2
F5	Big-Ip Advanced Firewall Manager	13.0.0
F5	Big-Ip Analytics	>= 12.1.0, <= 12.1.2
F5	Big-Ip Analytics	13.0.0
F5	Big-Ip Access Policy Manager	>= 12.1.0, <= 12.1.2
F5	Big-Ip Access Policy Manager	13.0.0
F5	Big-Ip Application Security Manager	>= 12.1.0, <= 12.1.2
F5	Big-Ip Application Security Manager	13.0.0
F5	Big-Ip Dns	>= 12.1.0, <= 12.1.2
F5	Big-Ip Dns	13.0.0
F5	Big-Ip Global Traffic Manager	>= 12.1.0, <= 12.1.2
F5	Big-Ip Global Traffic Manager	13.0.0
F5	Big-Ip Link Controller	>= 12.1.0, <= 12.1.2
F5	Big-Ip Link Controller	13.0.0
F5	Big-Ip Policy Enforcement Manager	>= 12.1.0, <= 12.1.2
F5	Big-Ip Policy Enforcement Manager	13.0.0
F5	Big-Ip Websafe	>= 12.1.0, <= 12.1.2
F5	Big-Ip Websafe	13.0.0

References

http://www.securitytracker.com/id/1040046Third Party Advisory, VDB Entry
https://support.f5.com/csp/article/K81137982Issue Tracking, Vendor Advisory
http://www.securitytracker.com/id/1040046Third Party Advisory, VDB Entry
https://support.f5.com/csp/article/K81137982Issue Tracking, Vendor Advisory

Timeline

Published: Dec 21, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-6136?

How severe is CVE-2017-6136?

Severity scoring for CVE-2017-6136 is pending analysis. The EPSS model estimates a 1.41% probability of exploitation in the next 30 days.

How do I fix CVE-2017-6136?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST