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Case File

CVE-2018-15311

MEDIUM · CVSS 5.9 EPSS 1.42%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-10-10 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.9. It affects F5, BIG-IP.

CVE
CVE-2018-15311
Severity
MEDIUM
CVSS
5.9
EPSS
1.42%
F5 BIG-IP

Original NVD Description

When F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, or 11.5.1-11.5.6 is processing specially crafted TCP traffic with the Large Receive Offload (LRO) feature enabled, TMM may crash, leading to a failover event. This vulnerability is not exposed unless LRO is enabled, so most affected customers will be on 13.1.x. LRO has been available since 11.4.0 but is not enabled by default until 13.1.0.

Related CVEs

Other vulnerabilities affecting the same vendor(s)