CVE-2021-22126: fortiwlc Access Control Flaw — Fix

Description

A use of hard-coded password vulnerability in FortiWLC version 8.5.2 and below, version 8.4.8 and below, version 8.3.3 to 8.3.2, version 8.2.7 to 8.2.6 may allow a local, authenticated attacker to connect to the managed Access Point (Meru AP and FortiAP-U) as root using the default hard-coded username and password.

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CVSS v3.1 Score

6.7

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-284 CWE-284

CWE-798 CWE-798

Affected Products

Vendor	Product	Versions
fortinet	fortiwlc	8.4.0 — 8.5.3
fortinet	fortiwlc	All
fortinet	fortiwlc	All
fortinet	fortiwlc	All
fortinet	fortiwlc	All

References

Advisories & Patches

https://fortiguard.fortinet.com/psirt/FG-IR-20-147

Frequently Asked Questions

What is CVE-2021-22126? +

A use of hard-coded password vulnerability in FortiWLC version 8.5.2 and below, version 8.4.8 and below, version 8.3.3 to 8.3.2, version 8.2.7 to 8.2.6 may allow a local, authenticated attacker to connect to the managed Access Point (Meru AP and FortiAP-U) as root using the default hard-coded username and password. It has a CVSS v3.1 base score of 6.7 (MEDIUM).

How severe is CVE-2021-22126? +

CVE-2021-22126 has a CVSS v3.1 score of 6.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2021-22126? +

CVE-2021-22126 affects products from fortinet, specifically: fortiwlc. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2021-22126? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2021-22126