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F5 Networks BIG-IP : BIG-IP APM vulnerability (K51574311)

high Nessus Plugin ID 144349

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Synopsis

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

Description

When a BIG-IP APM virtual server processes traffic of an undisclosed nature, the Traffic Management Microkernel (TMM) stops responding and restarts.(CVE-2020-27716)

Impact

Traffic processing is disrupted while TMM restarts. If the affected BIG-IP system is configured as part of a device group, the system triggers a failover to the peer device.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K51574311.

See Also

https://my.f5.com/manage/s/article/K51574311

Plugin Details

Severity: High

ID: 144349

File Name: f5_bigip_SOL51574311.nasl

Version: 1.7

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: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2020-27716

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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-2020-27716

IAVA: 2021-A-0004-S