F5 Networks BIG-IP : Intel processors MMIO stale data vulnerability (K08152433)

medium Nessus Plugin ID 163412

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 tested version. It is, therefore, affected by a vulnerability as referenced in the K08152433 advisory.

Incomplete cleanup in specific special register write operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.(CVE-2022-21166)ImpactSuccessful exploitation of this vulnerability can lead to disclosure of sensitive information.This hardware issue impacts all of the following F5 platforms using Intel processors:VIPRIONB4450N Blade (A114)VELOSBX110 Blade (A118)iSeriesi850 (C117)i2000 (C117)i4000 (C115)i5000 (C119)i5820-DF (C125)i7000/i7000-D(C118)i7820-DF (C126)i10000/i10000-D (C116)i11000 (C123)i11000-DS (C124)i15000 (D116)rSeriesr2800 (C130)r4800 (C131)r5600/r5800/r5900 (C129)r10600/r10800/r10900 (C128)

Tenable has extracted the preceding description block directly from the F5 Networks BIG-IP security advisory.

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

Solution

The vendor has acknowledged the vulnerability, but no solution has been provided.
Refer to the vendor for remediation guidance.

See Also

https://my.f5.com/manage/s/article/K08152433

Plugin Details

Severity: Medium

ID: 163412

File Name: f5_bigip_SOL08152433.nasl

Version: 1.8

Type: local

Published: 7/22/2022

Updated: 8/26/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2022-21166

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: cpe:/a:f5:big-ip_irules_lx, cpe:/h:f5:big-ip_protocol_security_manager, cpe:/a:f5:big-ip_domain_name_system, cpe:/a:f5:big-ip_ssl_orchestrator, cpe:/a:f5:big-ip_policy_enforcement_manager, cpe:/a:f5:big-ip_wan_optimization_manager, cpe:/h:f5:big-ip, cpe:/a:f5:big-ip_iapps_lx, cpe:/a:f5:big-ip_advanced_firewall_manager, cpe:/a:f5:big-ip_local_traffic_manager, cpe:/a:f5:big-ip_access_policy_manager, cpe:/a:f5:big-ip_global_traffic_manager, cpe:/a:f5:big-ip_application_security_manager

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

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 6/14/2022

Reference Information

CVE: CVE-2022-21166