VendorsFortinetfortiauthenticatorany version
Vulnerabilities

Fortinet FortiAuthenticator any version

Ranked by severity, then by exploit likelihood. Click a CVE ID for its full record.

17CVEs
CVE-2026-44277
A improper access control vulnerability in Fortinet FortiAuthenticator 8.0.2, FortiAuthenticator 8.0.0, FortiAuthenticator 6.6.0 through 6.6.8, FortiAuthenticator 6.5.0 through 6.5.6 may allow attacker to execute unauthorized code or commands via crafted requests.
Published 2026-05-12 · Modified
9.8EPSS 0.005
CVE-2013-6990
FortiGuard FortiAuthenticator before 3.0 allows remote administrators to gain privileges via the command line interface.
Published 2014-04-30 · Modified
9.0EPSS 0.011
CVE-2021-26116
An improper neutralization of special elements used in an OS command vulnerability in the command line interpreter of FortiAuthenticator before 6.3.1 may allow an authenticated attacker to execute unauthorized commands via specifically crafted arguments to existing commands.
Published 2022-04-06 · Modified
8.8EPSS 0.006
CVE-2021-43067
A exposure of sensitive information to an unauthorized actor in Fortinet FortiAuthenticator version 6.4.0, version 6.3.2 and below, version 6.2.1 and below, version 6.1.2 and below, version 6.0.7 to 6.0.1 allows attacker to duplicate a target LDAP user 2 factors authentication token via crafted HTTP requests.
Published 2021-12-08 · Modified
8.3EPSS 0.011
CVE-2021-22124
An uncontrolled resource consumption (denial of service) vulnerability in the login modules of FortiSandbox 3.2.0 through 3.2.2, 3.1.0 through 3.1.4, and 3.0.0 through 3.0.6; and FortiAuthenticator before 6.0.6 may allow an unauthenticated attacker to bring the device into an unresponsive state via specifically-crafted long request parameters.
Published 2021-08-04 · Modified
7.8EPSS 0.010
CVE-2021-24005
Usage of hard-coded cryptographic keys to encrypt configuration files and debug logs in FortiAuthenticator versions before 6.3.0 may allow an attacker with access to the files or the CLI configuration to decrypt the sensitive data, via knowledge of the hard-coded key.
Published 2021-07-06 · Modified
7.5EPSS 0.006
CVE-2025-53379
A out-of-bounds read vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.2, FortiAuthenticator 6.5 all versions may allow a remote unauthenticated attacker to retrieve sensitive information via a specially crafted request.
Published 2026-07-14 · Analyzed
7.5EPSS 0.005
CVE-2026-21743
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.
Published 2026-02-10 · Analyzed
7.2EPSS 0.003
CVE-2018-9186
A cross-site scripting (XSS) vulnerability in Fortinet FortiAuthenticator in versions 4.0.0 to before 5.3.0 "CSRF validation failure" page allows attacker to execute unauthorized script code via inject malicious scripts in HTTP referer header.
Published 2018-05-31 · Modified
6.1EPSS 0.008
CVE-2022-35850
An improper neutralization of script-related HTML tags in a web page vulnerability [CWE-80] in FortiAuthenticator versions 6.4.0 through 6.4.4, 6.3.0 through 6.3.3, all versions of 6.2 and 6.1 may allow a remote unauthenticated attacker to trigger a reflected cross site scripting (XSS) attack via the "reset-password" page.
Published 2023-04-11 · Modified
6.1EPSS 0.005
CVE-2022-23439
A externally controlled reference to a resource in another sphere vulnerability in Fortinet allows attacker to poison web caches via crafted HTTP requests, where the `Host` header points to an arbitrary webserver
Published 2025-01-22 · Modified
6.1EPSS 0.004
CVE-2024-23664
A URL redirection to untrusted site ('open redirect') in Fortinet FortiAuthenticator version 6.6.0, version 6.5.3 and below, version 6.4.9 and below may allow an attacker to to redirect users to an arbitrary website via a crafted URL.
Published 2024-06-03 · Analyzed
6.1EPSS 0.003
CVE-2023-26208
A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiAuthenticator 6.4.x and before allows a remote unauthenticated attacker to partially exhaust CPU and memory via sending numerous HTTP requests to the login form.
Published 2023-03-09 · Modified
5.3EPSS 0.018
CVE-2022-22302
A clear text storage of sensitive information (CWE-312) vulnerability in both FortiGate version 6.4.0 through 6.4.1, 6.2.0 through 6.2.9 and 6.0.0 through 6.0.13 and FortiAuthenticator version 5.5.0 and all versions of 6.1 and 6.0 may allow a local unauthorized party to retrieve the Fortinet private keys used to establish secure communication with both Apple Push Notification and Google Cloud Messaging services, via accessing the files on the filesystem.
Published 2023-07-11 · Modified
5.3EPSS 0.003
CVE-2021-36177
An improper access control vulnerability [CWE-284] in FortiAuthenticator HA service 6.3.2 and below, 6.2.x, 6.1.x, 6.0.x may allow an attacker on the same vlan as the HA management interface to make an unauthenticated direct connection to the FAC's database.
Published 2022-02-02 · Modified
4.3EPSS 0.003
CVE-2025-57823
A direct request ('forced browsing') 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 an authenticated attacker with at least sponsor permissions to read and download device logs via accessing specific endpoints
Published 2025-12-09 · Analyzed
2.7EPSS 0.002
CVE-2025-59923
An improper access control 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 an authenticated attacker with at least read-only admin permission to obtain the credentials of other administrators' messaging services via crafted requests.
Published 2025-12-09 · Modified
2.7EPSS 0.002