high7.5
CVE-2020-27720
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…
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| F5 | Big-Ip Carrier-Grade Nat | from 13.1.0 through 13.1.3 from 14.1.0 before 14.1.3.1 from 15.1.0 before 15.1.1 from 16.0.0 before 16.0.1 |
| F5 | Big-Ip Local Traffic Manager | from 13.1.0 through 13.1.3 from 14.1.0 before 14.1.3.1 from 15.1.0 before 15.1.1 from 16.0.0 before 16.0.1 |