Back to Database
Status published
Medium
CVE-2021-22131
A improper validation of certificate with host mismatch in Fortinet...
Vulnerability Description
A improper validation of certificate with host mismatch in Fortinet FortiTokenAndroid version 5.0.3 and below, Fortinet FortiTokeniOS version 5.2.0 and below, Fortinet FortiTokenWinApp version 4.0.3 and below allows attacker to retrieve information disclosed via man-in-the-middle attacks.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-22131
Credits & Attribution
No credits recorded in the NVD database.
References
More from Fortinet
View All →CVE-2025-68686
An Exposure of Sensitive Information to an Unauthorized Actor vulnerability...
Medium
5.3
CVE-2025-68649
An improper limitation of a pathname to a restricted directory...
Medium
5.4
CVE-2025-68648
A use of externally-controlled format string vulnerability in Fortinet FortiAnalyzer...
Medium
6.5
CVE-2025-68482
A improper certificate validation vulnerability in Fortinet FortiAnalyzer 7.6.0 through...
Medium
6.3
CVE-2025-67862
An Internal Asset Exposed to Unsafe Debug Access Level or...
Medium
6
Affected Vendor
Fortinet
View all reports →Affected Software
Fortinet FortiTokenAndroid, Fortinet FortiTokeniOS, Fortinet FortiTokenWinApp
Vulnerable Versions:
FortiTokenAndroid 5.0.3, 5.0.2, 4.5.0, 4.4.0, 4.3.0, 4.2.2, 4.2.1, 4.1.1, 4.0.1, 4.0.0, 3.0.4, 3.0.3, 3.0.2, 3.0.1, 3.0.0, 0.4.20, 0.4.10, FortiTokeniOS 5.2.0, 4.3.0, 4.2.0, 4.1.1, 3.0.5, 3.0.4, 3.0.3, 3.0.2, 3.0.1, FortiTokenWinApp 4.0.3, 3.0.1, 3.0.0
Timeline
Official Publish:
July 18th, 2022
Last Modified:
October 22nd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H/E:P/RL:X/RC:C
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.