CVE-2018-15320

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

Description

On BIG-IP 14.0.0-14.0.0.2 or 13.0.0-13.1.1.1, undisclosed traffic patterns may lead to denial of service conditions for the BIG-IP system. The configuration which exposes this condition is the BIG-IP self IP address which is part of a VLAN group and has the Port Lockdown setting configured with anything other than "allow-all".

Affected products

F5 BIG-IP APM: from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
BIG-IP: from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 Big-Ip Analytics: 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 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 BIG-IP DNS: from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 Big-Ip Edge Gateway: 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 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 Big-Ip Global Traffic Manager: from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 Big-Ip Link Controller: from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 BIG-IP (LTM): 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 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 Big-Ip Protocol Security Module: from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2
F5 Big-Ip Webaccelerator: from 13.0.0 through 13.1.1.1; from 14.0.0 through 14.0.0.2

References

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