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Tracker / CVE-2020-27720

CVE-2020-27720

High 7.5

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 products and versions

f5 big-ip_carrier-grade_nat · 13.1.0 → 13.1.3
f5 big-ip_carrier-grade_nat · 14.1.0 → 14.1.3.1
f5 big-ip_carrier-grade_nat · 15.1.0 → 15.1.1
f5 big-ip_carrier-grade_nat · 16.0.0 → 16.0.1
f5 big-ip_local_traffic_manager · 13.1.0 → 13.1.3
f5 big-ip_local_traffic_manager · 14.1.0 → 14.1.3.1
f5 big-ip_local_traffic_manager · 15.1.0 → 15.1.1
f5 big-ip_local_traffic_manager · 16.0.0 → 16.0.1

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References