CVE-2018-5531

Severity: high (CVSS 7.4 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-07-25 · updated 2026-06-17
Weakness: CWE-20

Description

Through undisclosed methods, on F5 BIG-IP 13.0.0-13.1.0.7, 12.1.0-12.1.3.5, 11.6.0-11.6.3.1, or 11.2.1-11.5.6, adjacent network attackers can cause a denial of service for VCMP guest and host systems. Attack must be sourced from adjacent network (layer 2).

Affected products

F5 BIG-IP APM: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.1; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7
BIG-IP: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.1; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7
F5 Big-Ip Analytics: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.1; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7
F5 Networks, Inc. BIG-IP (AAM): from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.1; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7
BIG-IP ASM: from 10.1.0 through 11.5.6; from 11.6.0 through 11.6.3.1; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7
F5 BIG-IP DNS: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.1; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7
F5 Big-Ip Edge Gateway: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.1; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7
F5 Big-Ip Fraud Protection Service: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.1; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7
F5 Big-Ip Global Traffic Manager: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.1; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7
F5 Big-Ip Link Controller: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.1; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7
F5 BIG-IP (LTM): from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.1; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7
F5 Networks, Inc. BIG-IP (PEM): from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.1; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7
F5 Big-Ip Webaccelerator: from 11.2.1 through 11.5.6; from 11.6.0 through 11.6.3.1; from 12.1.0 through 12.1.3.5; from 13.0.0 through 13.1.0.7

References

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