CVE-2018-5513

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-06-01 · updated 2026-06-17
Weakness: CWE-20

Description

On F5 BIG-IP 13.1.0-13.1.0.3, 13.0.0, 12.1.0-12.1.3.3, 11.6.1-11.6.3.1, 11.5.1-11.5.5, or 11.2.1, a malformed TLS handshake causes TMM to crash leading to a disruption of service. This issue is only exposed on the data plane when Proxy SSL configuration is enabled. The control plane is not impacted by this issue.

Affected products

F5 BIG-IP APM: from 11.2.1 through 11.5.5; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.1.0 through 13.1.0.4; 13.0.0
BIG-IP: from 11.2.1 through 11.5.5; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.1.0 through 13.1.0.4; 13.0.0
F5 Big-Ip Analytics: from 11.2.1 through 11.5.5; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.1.0 through 13.1.0.4; 13.0.0
F5 Networks, Inc. BIG-IP (AAM): from 11.2.1 through 11.5.5; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.1.0 through 13.1.0.4; 13.0.0
BIG-IP ASM: from 11.2.1 through 11.5.5; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.1.0 through 13.1.0.4; 13.0.0
F5 BIG-IP DNS: from 11.2.1 through 11.5.5; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.1.0 through 13.1.0.4; 13.0.0
F5 Big-Ip Edge Gateway: from 11.2.1 through 11.5.5; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.1.0 through 13.1.0.4; 13.0.0
F5 Big-Ip Global Traffic Manager: from 11.2.1 through 11.5.5; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.1.0 through 13.1.0.4; 13.0.0
F5 Big-Ip Link Controller: from 11.2.1 through 11.5.5; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.1.0 through 13.1.0.4; 13.0.0
F5 BIG-IP (LTM): from 11.2.1 through 11.5.5; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.1.0 through 13.1.0.4; 13.0.0
F5 Networks, Inc. BIG-IP (PEM): from 11.2.1 through 11.5.5; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.1.0 through 13.1.0.4; 13.0.0
F5 Big-Ip Webaccelerator: from 11.2.1 through 11.5.5; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.1.0 through 13.1.0.4; 13.0.0
F5 Big-Ip Websafe: from 11.2.1 through 11.5.5; from 11.6.1 through 11.6.3; from 12.1.0 through 12.1.3; from 13.1.0 through 13.1.0.4; 13.0.0

References

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