CVE-2021-44166
An improper access control vulnerability [CWE-284 ] in FortiToken Mobile (Android) external push...
An improper access control vulnerability [CWE-284 ] in FortiToken Mobile (Android) external push notification 5.1.0 and below may allow a remote attacker having already obtained a user's password to access the protected system during the 2FA procedure, even though the deny button is clicked by the legitimate user.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
An improper access control vulnerability [CWE-284 ] in FortiToken Mobile (Android) external push notification 5.1.0 and below may allow a remote attacker having already obtained a user's password to access the protected system during the 2FA procedure, even though the deny button is clicked by the legitimate user.
- Record
CVE-2021-44166- CVSS 3.1
- 4.1 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N/E:F/RL:U/RC:R - Updated
- 2026-11-02
EUVDEUVD-2021-31016
An improper access control vulnerability [CWE-284 ] in FortiToken Mobile (Android) external push notification 5.1.0 and below may allow a remote attacker having already obtained a user's password to access the protected system during the 2FA procedure, even though the deny button is clicked by the legitimate user.
- Record
EUVD-2021-31016- CVSS 3.1
- 4.1 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N/E:F/RL:U/RC:R - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7w6m-4c3c-jjv3
An improper access control vulnerability [CWE-284 ] in FortiToken Mobile (Android) external push...
An improper access control vulnerability [CWE-284 ] in FortiToken Mobile (Android) external push notification 5.1.0 and below may allow a remote attacker having already obtained a user's password to access the protected system during the 2FA procedure, even though the deny button is clicked by the legitimate user.
- Record
GHSA-7w6m-4c3c-jjv3- CVSS 3.1
- 4.1 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N - Updated
- 2026-11-02
NVD
An improper access control vulnerability [CWE-284 ] in FortiToken Mobile (Android) external push notification 5.1.0 and below may allow a remote attacker having already obtained a user's password to access the protected system during the 2FA procedure, even though the deny button is clicked by the legitimate user.
- Record
CVE-2021-44166- CVSS 3.1
- 4.1 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-44166 is a medium vulnerability (CVSS 4.1) in Fortinet Fortitoken Mobile, published March 2, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.65%, the 51st percentile. No source names a fixed version.