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F5 Networks BIG-IP : BIG-IP Advanced WAF and BIG-IP ASM vulnerability (K41351250)

critical Nessus Plugin ID 152823

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Synopsis

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

Description

The version of F5 Networks BIG-IP installed on the remote host is prior to 11.6.5.3 / 12.1.6 / 13.1.4 / 14.1.4.1 / 15.1.3 / 16.0.1.2 / 16.1.0. It is, therefore, affected by a vulnerability as referenced in the K41351250 advisory.

 - On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4.1, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and 11.6.x before 11.6.5.3, an authenticated user may perform a privilege escalation on the BIG-IP Advanced WAF and ASM Configuration utility. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated. (CVE-2021-23031)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K41351250.

See Also

https://my.f5.com/manage/s/article/K41351250

Plugin Details

Severity: Critical

ID: 152823

File Name: f5_bigip_SOL41351250.nasl

Version: 1.9

Type: local

Published: 8/25/2021

Updated: 11/2/2023

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

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

CVSS Score Source: CVE-2021-23031

CVSS v3

Risk Factor: Critical

Base Score: 9.9

Temporal Score: 8.6

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

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

Vulnerability Information

CPE: cpe:/a:f5:big-ip_application_security_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, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 8/12/2021

Vulnerability Publication Date: 8/26/2021

Reference Information

CVE: CVE-2021-23031

IAVA: 2021-A-0394-S