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CVE-2026-21743

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CVE-2026-21743

Published: Feb 10, 2026

Modified: Feb 12, 2026

PUBLISHED

CVSS v3.1

6.8

MEDIUM

Description

A missing authorization vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuthenticator 6.4 all versions, FortiAuthenticator 6.3 all versions may allow a read-only user to make modification to local users via a file upload to an unprotected endpoint.

VendorProductVersions

Fortinet

FortiAuthenticator

affected
6.6.0 - <= 6.6.6
affected
6.5.0 - <= 6.5.7
affected
6.4.0 - <= 6.4.11
affected
6.3.0 - <= 6.3.5

Weaknesses (CWE)

CWE-862

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

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