CVE-2021-26093

Published Dec 19, 2024 CVSS 3.1 · 6.6 Medium EPSS < 1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Fortinet

FortiWLC

unaffected

Version	Status	Constraints
`8.6.0`	affected	—
`8.5.0`	affected	≤ 8.5.3
`8.4.4`	affected	≤ 8.4.8
`8.4.0`	affected	≤ 8.4.2
`8.3.0`	affected	≤ 8.3.3
`8.2.4`	affected	≤ 8.2.7
`8.1.2`	affected	≤ 8.1.3
`8.0.6`	affected	—

Configuration 1 [-]

cpe:2.3:a:fortinet:fortiwlc:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Solution

Please upgrade to FortiWLC version 8.6.3 or above.

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2021-12914	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

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact None

Integrity Impact Low

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.161% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://fortiguard.com/psirt/FG-IR-21-002

History

Jul 15, 2025 1:45 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00027}`	epss `{'score': 0.00029}`

Jan 21, 2025 9:00 PM Affected versions updated View changes

Type	Values Removed	Values Added
CPEs		cpe:2.3:a:fortinet:fortiwlc::::::::

Dec 20, 2024 6:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Dec 19, 2024 8:00 AM Description updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
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.
First Time appeared		Fortinet Fortinet fortiwlc
Weaknesses		CWE-824
CPEs		cpe:2.3:a:fortinet:fortiwlc:8.0.6:::::::* cpe:2.3:a:fortinet:fortiwlc:8.1.2:::::::* cpe:2.3:a:fortinet:fortiwlc:8.1.3:::::::* cpe:2.3:a:fortinet:fortiwlc:8.2.4:::::::* cpe:2.3:a:fortinet:fortiwlc:8.2.5:::::::* cpe:2.3:a:fortinet:fortiwlc:8.2.6:::::::* cpe:2.3:a:fortinet:fortiwlc:8.2.7:::::::* cpe:2.3:a:fortinet:fortiwlc:8.3.0:::::::* cpe:2.3:a:fortinet:fortiwlc:8.3.1:::::::* cpe:2.3:a:fortinet:fortiwlc:8.3.2:::::::* cpe:2.3:a:fortinet:fortiwlc:8.3.3:::::::* cpe:2.3:a:fortinet:fortiwlc:8.4.0:::::::* cpe:2.3:a:fortinet:fortiwlc:8.4.1:::::::* cpe:2.3:a:fortinet:fortiwlc:8.4.2:::::::* cpe:2.3:a:fortinet:fortiwlc:8.4.4:::::::* cpe:2.3:a:fortinet:fortiwlc:8.4.5:::::::* cpe:2.3:a:fortinet:fortiwlc:8.4.6:::::::* cpe:2.3:a:fortinet:fortiwlc:8.4.7:::::::* cpe:2.3:a:fortinet:fortiwlc:8.4.8:::::::* cpe:2.3:a:fortinet:fortiwlc:8.5.0:::::::* cpe:2.3:a:fortinet:fortiwlc:8.5.1:::::::* cpe:2.3:a:fortinet:fortiwlc:8.5.2:::::::* cpe:2.3:a:fortinet:fortiwlc:8.5.3:::::::* cpe:2.3:a:fortinet:fortiwlc:8.6.0:::::::*
Vendors & Products		Fortinet Fortinet fortiwlc
References		https://fortiguard.com/psirt/FG-IR-21-002
Metrics		cvssV3_1 `{'score': 6.6, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H/E:P/RL:X/RC:R'}`