An improper authentication vulnerability [CWE-287] in FortiOS versions 7.4.1 and below, versions 7.2.6 and be…
- Severity
- High8.8CVSS 3.1, High
- Known exploited
- Not listed
- Exploit prediction
- 0.64%
- Published
- 12 Mar 2024Updated 17 Jun 2026 · Last verified 29 Sept 2026
Known remediation
Fixed releases per branch, as the vendor states them. Patcharo never infers a fix.
Fortinet FortiOS
Vendor advisory- 7.4Fixed after 7.4.1
- 7.2Fixed after 7.2.6
- 7.0Fixed after 7.0.12
Workaround / Vendor remediation
Vendor remediation · FortiOS
Please upgrade to FortiOS 7.4.2 or above Please upgrade to FortiOS 7.2.7 or above Please upgrade to ForitOS 7.0.13 or above Workaround- Disable push notifications for FortiAuthenticator: For RADIUS Authentication (From FortiAuthenticator)- ## RADIUS Service > Policies > (select policy) > Authentication Factors > Advanced Options > ## Allow FortiToken Mobile push notifications (*disable)*
Description
Title, description and vendor guidance are quoted from the source records.
An improper authentication vulnerability [CWE-287] in FortiOS versions 7.4.1 and below, versions 7.2.6 and below, and versions 7.0.12 and below when configured with FortiAuthenticator in HA may allow a readonly user to gain read-write access via successive login attempts.
Weakness: CWE-287
Known exploited
Not listed in CISA KEV as of the last check.
Exploit prediction
0.64% probability of exploitation in the next 30 days (percentile 49%).
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
What the source states, per branch
Versions matched by Patcharo
Fortinet FortiOSSource: Fortinet (CVE record)
| Branch | Affected | Fixed in |
|---|---|---|
| 7.4 | 7.4.0 – 7.4.1 | Fixed after 7.4.1 |
| 7.2 | 7.2.0 – 7.2.6 | Fixed after 7.2.6 |
| 7.0 | 7.0.0 – 7.0.12 | Fixed after 7.0.12 |
Versions not listed are stated unaffected by the vendor.
References
Provenance
Every fact on this page comes from the sources below. Nothing is written by an AI.
- Fortinet (CVE record)
- Fortinet (CVE record) · 29 Sept 2026 at 06:17 UTC · Parser patcharo-cve5/1.1.0
- NVD
- NVD · 27 Sept 2026 at 23:44 UTC · Parser patcharo-nvd/1.0.0
- FIRST EPSS
- FIRST EPSS · 30 Sept 2026 at 00:17 UTC · Parser patcharo-epss/1.0.0
Last verified: 29 Sept 2026 at 06:17 UTC