CVE-2017-6129

HIGH

F5 BIG-IP APM 12.1.2, 13.0.0 - Denial of Service via VPN/PPP Connflow Handling

Title source: llm

Description

In F5 BIG-IP APM software version 13.0.0 and 12.1.2, in some circumstances, APM tunneled VPN flows can cause a VPN/PPP connflow to be prematurely freed or cause TMM to stop responding with a "flow not in use" assertion. An attacker may be able to disrupt traffic or cause the BIG-IP system to fail over to another device in the device group.

References (2)

Core 2

Core References

Issue Tracking, Vendor Advisory x_refsource_confirm

https://support.f5.com/csp/article/K20087443

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1040047

Scores

CVSS v3 7.5

EPSS 0.0049

EPSS Percentile 65.9%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-20

Status published

Products (4)

f5/big-ip_access_policy_manager 12.1.2

f5/big-ip_access_policy_manager 13.0.0

F5 Networks, Inc./BIG-IP APM 12.1.2

F5 Networks, Inc./BIG-IP APM 13.0.0

Published Dec 21, 2017

Tracked Since Feb 18, 2026