F5 Networks BIG-IP : BIG-IP PingAccess vulnerability (K42933418)

high Nessus Plugin ID 144359

Synopsis

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

Description

A BIG-IP APM virtual server processing PingAccess requestsmay lead to a restart of the Traffic Management Microkernel (TMM) process.
(CVE-2020-27723)

Impact

Traffic processing on the BIG-IP system is disrupted while TMM restarts, leading to a failover event in a high availability (HA) environment.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K42933418.

See Also

https://my.f5.com/manage/s/article/K42933418

Plugin Details

Severity: High

ID: 144359

File Name: f5_bigip_SOL42933418.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: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2020-27723

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-2020-27723

IAVA: 2021-A-0004-S