Vulnerabilities > CVE-2020-27720 - Unspecified vulnerability in F5 products

CVSS 4.3 - MEDIUM

Attack vector

NETWORK

Attack complexity

MEDIUM

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

PARTIAL

network

NVD

Published: 2020-12-24

Updated: 2020-12-28

Summary

On BIG-IP LTM/CGNAT version 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, and 13.1.0-13.1.3.5, when processing NAT66 traffic with Port Block Allocation (PBA) mode and SP-DAG enabled, and dag-ipv6-prefix-len configured with a value less than the default of 128, an undisclosed traffic pattern may cause the Traffic Management Microkernel (TMM) to restart.

Vulnerable Configurations

Part	Description	Count
Application	F5 F5 BIG IP Carrier Grade NAT * F5 BIG IP Local Traffic Manager 13.1.0 F5 BIG IP Local Traffic Manager 13.1.0.0 F5 BIG IP Local Traffic Manager 13.1.0.1 F5 BIG IP Local Traffic Manager 13.1.0.2 F5 BIG IP Local Traffic Manager 13.1.0.3 F5 BIG IP Local Traffic Manager 13.1.0.4 F5 BIG IP Local Traffic Manager 13.1.0.5 F5 BIG IP Local Traffic Manager 13.1.0.6 F5 BIG IP Local Traffic Manager 13.1.0.7 F5 BIG IP Local Traffic Manager 13.1.0.8 F5 BIG IP Local Traffic Manager 13.1.1 F5 BIG IP Local Traffic Manager 13.1.1.1 F5 BIG IP Local Traffic Manager 13.1.1.3 F5 BIG IP Local Traffic Manager 13.1.1.4 F5 BIG IP Local Traffic Manager 13.1.1.5 F5 BIG IP Local Traffic Manager 13.1.2 F5 BIG IP Local Traffic Manager 13.1.3 F5 BIG IP Local Traffic Manager 14.1.0 F5 BIG IP Local Traffic Manager 14.1.0.1 F5 BIG IP Local Traffic Manager 14.1.0.2 F5 BIG IP Local Traffic Manager 14.1.0.3 F5 BIG IP Local Traffic Manager 14.1.0.3.0.79.6 F5 BIG IP Local Traffic Manager 14.1.0.3.0.97.6 F5 BIG IP Local Traffic Manager 14.1.0.3.0.99.6 F5 BIG IP Local Traffic Manager 14.1.0.5 F5 BIG IP Local Traffic Manager 14.1.0.5.0.15.5 F5 BIG IP Local Traffic Manager 14.1.0.5.0.36.5 F5 BIG IP Local Traffic Manager 14.1.0.5.0.40.5 F5 BIG IP Local Traffic Manager 14.1.0.6 F5 BIG IP Local Traffic Manager 14.1.0.6.0.11.9 F5 BIG IP Local Traffic Manager 14.1.0.6.0.14.9 F5 BIG IP Local Traffic Manager 14.1.0.6.0.68.9 F5 BIG IP Local Traffic Manager 14.1.0.6.0.70.9 F5 BIG IP Local Traffic Manager 14.1.2 F5 BIG IP Local Traffic Manager 14.1.2-0.0.37 F5 BIG IP Local Traffic Manager 14.1.2-0.89.37 F5 BIG IP Local Traffic Manager 14.1.2.0.11.37 F5 BIG IP Local Traffic Manager 14.1.2.0.18.37 F5 BIG IP Local Traffic Manager 14.1.2.0.32.37 F5 BIG IP Local Traffic Manager 14.1.2.1 F5 BIG IP Local Traffic Manager 14.1.2.1-0.0.4 F5 BIG IP Local Traffic Manager 14.1.2.1.0.14.4 F5 BIG IP Local Traffic Manager 14.1.2.1.0.16.4 F5 BIG IP Local Traffic Manager 14.1.2.1.0.34.4 F5 BIG IP Local Traffic Manager 14.1.2.1.0.46.4 F5 BIG IP Local Traffic Manager 14.1.2.1.0.97.4 F5 BIG IP Local Traffic Manager 14.1.2.1.0.99.4 F5 BIG IP Local Traffic Manager 14.1.2.1.0.105.4 F5 BIG IP Local Traffic Manager 14.1.2.1.0.111.4 F5 BIG IP Local Traffic Manager 14.1.2.1.0.115.4 F5 BIG IP Local Traffic Manager 14.1.2.1.0.122.4 F5 BIG IP Local Traffic Manager 14.1.2.2 F5 BIG IP Local Traffic Manager 14.1.2.2-0.0.4 F5 BIG IP Local Traffic Manager 14.1.2.3 F5 BIG IP Local Traffic Manager 14.1.2.3-0.0.5 F5 BIG IP Local Traffic Manager 14.1.2.4 F5 BIG IP Local Traffic Manager 14.1.2.5 F5 BIG IP Local Traffic Manager 14.1.2.5-0.0.3 F5 BIG IP Local Traffic Manager 14.1.2.6 F5 BIG IP Local Traffic Manager 14.1.2.6-0.0.2 F5 BIG IP Local Traffic Manager 14.1.2.7 F5 BIG IP Local Traffic Manager 14.1.2.7-0.0.5 F5 BIG IP Local Traffic Manager 15.1.0 F5 BIG IP Local Traffic Manager 15.1.0.1 F5 BIG IP Local Traffic Manager 15.1.0.2 F5 BIG IP Local Traffic Manager 15.1.0.3 F5 BIG IP Local Traffic Manager 15.1.0.4 F5 BIG IP Local Traffic Manager 15.1.0.5 F5 BIG IP Local Traffic Manager 16.0.0	70

References

https://support.f5.com/csp/article/K04048104