Detections
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F5 BIG-IP RCE (CVE-2021-22986)

critical Nessus Plugin ID 148022

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Synopsis

The remote F5 device is missing a security patch and is affected by a remote code execution vulnerability.

Description

A remote code execution vulnerability exists in the iControl REST API feature of F5's BIG-IP product. An unauthenticated, remote attacker can exploit this to bypass authentication and execute arbitrary commands with root privileges.

Solution

Apply the appropriate patch as referenced in the vendor advisory.

See Also

http://www.nessus.org/u?ee0f4fe9

https://support.f5.com/csp/article/K03009991

Plugin Details

Severity: Critical

ID: 148022

File Name: f5_cve-2021-22986.nbin

Version: 1.52

Type: remote

Family: Misc.

Published: 3/24/2021

Updated: 4/23/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.6

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

CVSS Score Source: CVE-2021-22986

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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

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

Vulnerability Information

CPE: cpe:/h:f5:big-ip

Required KB Items: installed_sw/F5 BIG-IP web management

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/10/2021

Vulnerability Publication Date: 3/10/2021

CISA Known Exploited Vulnerability Due Dates: 11/17/2021

Exploitable With

Core Impact

Metasploit (F5 iControl REST Unauthenticated SSRF Token Generation RCE)

Reference Information

CVE: CVE-2021-22986

IAVA: 2021-A-0127