4.3
CVSSv2

CVE-2018-15311

Published: 10/10/2018 Updated: 03/10/2019
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 5.9 | Impact Score: 3.6 | Exploitability Score: 2.2
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Vulnerability Summary

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.

Vulnerability Trend

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f5 big-ip local traffic manager

f5 big-ip application acceleration manager

f5 big-ip advanced firewall manager

f5 big-ip analytics

f5 big-ip access policy manager

f5 big-ip application security manager

f5 big-ip domain name system

f5 big-ip edge gateway

f5 big-ip fraud protection service

f5 big-ip global traffic manager

f5 big-ip link controller

f5 big-ip policy enforcement manager

f5 big-ip webaccelerator