CVE-2020-27720: Undefined Security Weakness

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...

PT-2020-16782

Name of the Vulnerable Software and Affected Versions BIG-IP LTM/CGNAT versions 13.1.0 through 13.1.3.5 BIG-IP LTM/CGNAT versions 14.1.0 through 14.1.3 BIG-IP LTM/CGNAT versions 15.1.0 through 15.1.0.5 BIG-IP LTM/CGNAT versions 16.0.0 through 16.0.0.1 Description The issue occurs when processing...

F5 BIG-IP LTM/CGNAT Security Vulnerability

F5 BIG-IP is an application delivery platform that integrates network traffic management, application security management, load balancing, and other functions from F5 Corporation. A security vulnerability exists in F5 BIG-IP LTM/CGNAT, which can be exploited by an attacker to trigger a denial of...

Citrix SDWAN : Branch to Branch Virtual Path down because of CGNAT on the WAN link

The path created using a WAN link with CGNAT configured remains in dead state for Branch to Branch communication. No issues seen between Branch and MCN. Check the topology below to understand the scenario : In the above topology, at Branch1, the LTE link is getting CGNAT by the provider i.e. the...

CVE-2019-6611

When BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, and 11.5.2-11.5.8 are processing certain rare data sequences occurring in PPTP VPN traffic, the BIG-IP system may execute incorrect logic. The TMM may restart and produce a core file as a result of this condition. The...

CVE-2019-6611

When BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, and 11.5.2-11.5.8 are processing certain rare data sequences occurring in PPTP VPN traffic, the BIG-IP system may execute incorrect logic. The TMM may restart and produce a core file as a result of this condition. The...

Design/Logic Flaw

When BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, and 11.5.2-11.5.8 are processing certain rare data sequences occurring in PPTP VPN traffic, the BIG-IP system may execute incorrect logic. The TMM may restart and produce a core file as a result of this condition. The...

CVE-2019-6611

When BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, and 11.5.2-11.5.8 are processing certain rare data sequences occurring in PPTP VPN traffic, the BIG-IP system may execute incorrect logic. The TMM may restart and produce a core file as a result of this condition. The...

CVE-2019-6611

The CVE-2019-6611 issue affects F5 BIG-IP CGNAT with PPTP profiles. Affected BIG-IP versions: 11.5.2–11.5.8, 11.6.1–11.6.3.4, 12.1.0–12.1.4, 13.0.0–13.1.1.4, 14.0.0–14.1.0.1. Root cause: processing rare PPTP data sequences may cause TMM to restart and emit a core file. Consequence: temporary traf...

CVE-2019-6611: Undefined Security Weakness

When BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, and 11.5.2-11.5.8 are processing certain rare data sequences occurring in PPTP VPN traffic, the BIG-IP system may execute incorrect logic. The TMM may restart and produce a core file as a result of this condition. The...

F5 Networks BIG-IP : CGNAT/PPTP vulnerability (K47527163)

When processing certain rare data sequences occurring in PPTP VPN traffic, the BIG-IP system may execute incorrect logic. The TMM may restart and produce a core file as a result of this condition. The BIG-IP system provisioned with the CGNAT module and configured with a virtual server using a PPT...