CVE Vulnerabilities

CVE-2020-27720

Published: Dec 24, 2020 | Modified: Dec 28, 2020
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

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.

Affected Software

Name Vendor Start Version End Version
Big-ip_carrier-grade_nat F5 13.1.0 (including) 13.1.3 (including)
Big-ip_carrier-grade_nat F5 14.1.0 (including) 14.1.3.1 (excluding)
Big-ip_carrier-grade_nat F5 15.1.0 (including) 15.1.1 (excluding)
Big-ip_carrier-grade_nat F5 16.0.0 (including) 16.0.1 (excluding)
Big-ip_local_traffic_manager F5 13.1.0 (including) 13.1.3 (including)
Big-ip_local_traffic_manager F5 14.1.0 (including) 14.1.3.1 (excluding)
Big-ip_local_traffic_manager F5 15.1.0 (including) 15.1.1 (excluding)
Big-ip_local_traffic_manager F5 16.0.0 (including) 16.0.1 (excluding)

References