Detections
Analytics

F5 Networks BIG-IP : BIG-IP APM network access VPN vulnerability (K04518313)

medium Nessus Plugin ID 144346

Language:

Synopsis

The remote device is missing a vendor-supplied security patch.

Description

In BIG-IP APM, on systems running more than one TMM instance, authenticated VPN users may consume excessive resources by sending specially crafted malicious traffic over the tunnel.(CVE-2020-27724)

Impact

This vulnerabilitymay cause the Traffic Management Microkernel (TMM) to stop responding, leading to disruption in services and a failover event in high availability (HA) systems.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K04518313.

See Also

https://my.f5.com/manage/s/article/K04518313

Plugin Details

Severity: Medium

ID: 144346

File Name: f5_bigip_SOL04518313.nasl

Version: 1.10

Type: local

Published: 12/17/2020

Updated: 11/2/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS Score Source: CVE-2020-27724

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:f5:big-ip_access_policy_manager, cpe:/h:f5:big-ip

Required KB Items: Host/local_checks_enabled, Host/BIG-IP/hotfix, Host/BIG-IP/modules, Host/BIG-IP/version

Exploit Ease: No known exploits are available

Patch Publication Date: 12/16/2020

Vulnerability Publication Date: 12/24/2020

Reference Information

CVE: CVE-2020-27724

IAVA: 2021-A-0004-S