CVE-2025-59923
An improper access control vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.4,...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2025-59923- CVSS 3.1
- 2.6 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:U/RC:C - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2025-202277
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.
- Record
EUVD-2025-202277- CVSS 3.1
- 2.6 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:U/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-g43v-3rf4-64c9
An improper access control vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.4,...
An improper access control vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.4, 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.
- Record
GHSA-g43v-3rf4-64c9- CVSS 3.1
- 2.7 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-59923- CVSS 3.1
- 2.7 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-59923 is a low vulnerability (CVSS 2.6) in Fortinet Fortiauthenticator, published December 9, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. No source names a fixed version.