CVE-2021-26093

Name: CVE-2021-26093
Creator: NVD / NIST
Published: 2024-12-19T08:15:14.717+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.16%

Last modified Jun 17, 2026

CVE-2021-26093 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An access of uninitialized pointer (CWE-824) vulnerability in FortiWLC versions 8.6.0, 8.5.3 and earlier may allow a local and authenticated attacker to crash the access point being managed by the controller by executing a crafted CLI command.. EPSS estimates a 0.16% chance of exploitation in the next 30 days.

Description

An access of uninitialized pointer (CWE-824) vulnerability in FortiWLC versions 8.6.0, 8.5.3 and earlier may allow a local and authenticated attacker to crash the access point being managed by the controller by executing a crafted CLI command.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.16%

5.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-824

Affected Software

Vendor	Product	Versions
Fortinet	Fortiwlc	>= 8.0.6, < 8.6.3

References

https://fortiguard.com/psirt/FG-IR-21-002Vendor Advisory

Timeline

Published: Dec 19, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-26093?

How severe is CVE-2021-26093?

CVE-2021-26093 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.

How do I fix CVE-2021-26093?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-26093?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST