CVE-2018-15318

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% 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

In BIG-IP 14.0.0-14.0.0.2, 13.1.0.4-13.1.1.1, or 12.1.3.4-12.1.3.6, If an MPTCP connection receives an abort signal while the initial flow is not the primary flow, the initial flow will remain after the closing procedure is complete. TMM may restart and produce a core file as a result of this condition.

Affected products

F5 BIG-IP APM: from 12.1.3.4 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 12.1.3.4 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 12.1.3.4 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 12.1.3.4 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 12.1.3.4 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 12.1.3.4 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 12.1.3.4 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 12.1.3.4 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 12.1.3.4 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 12.1.3.4 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 12.1.3.4 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 12.1.3.4 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 12.1.3.4 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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