CVE-2018-15317

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-10-31 · updated 2026-06-17

Description

In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.5, 12.1.0-12.1.4.1, and 11.2.1-11.6.3.2, an attacker sending specially crafted SSL records to a SSL Virtual Server will cause corruption in the SSL data structures leading to intermittent decrypt BAD_RECORD_MAC errors. Clients will be unable to access the application load balanced by a virtual server with an SSL profile until tmm is restarted.

Affected products

F5 BIG-IP APM: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.2; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7; from 14.0.0 through 14.0.0.2
BIG-IP: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.2; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7; from 14.0.0 through 14.0.0.2
F5 Big-Ip Analytics: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.2; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7; from 14.0.0 through 14.0.0.2
F5 Networks, Inc. BIG-IP (AAM): from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.2; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7; from 14.0.0 through 14.0.0.2
F5 BIG-IP DNS: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.2; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7; from 14.0.0 through 14.0.0.2
F5 Big-Ip Edge Gateway: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.2; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7; from 14.0.0 through 14.0.0.2
F5 Big-Ip Fraud Protection Service: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.2; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7; from 14.0.0 through 14.0.0.2
F5 Big-Ip Global Traffic Manager: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.2; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7; from 14.0.0 through 14.0.0.2
F5 Big-Ip Link Controller: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.2; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7; from 14.0.0 through 14.0.0.2
F5 BIG-IP (LTM): from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.2; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7; from 14.0.0 through 14.0.0.2
F5 Networks, Inc. BIG-IP (PEM): from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.2; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7; from 14.0.0 through 14.0.0.2
F5 Big-Ip Protocol Security Module: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.2; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7; from 14.0.0 through 14.0.0.2
F5 Big-Ip Webaccelerator: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.2; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7; from 14.0.0 through 14.0.0.2

References

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