A null pointer dereference in Fortinet FortiOS version 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 throu…
- Severity
- High7.5CVSS 3.1, High
- EPSS
- 3%
- Published
- 22 Feb 2024
- Updated
- 17 Jun 2026
Description
Title, description and vendor guidance are quoted from the source records.
A null pointer dereference in Fortinet FortiOS version 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.12, 6.2.0 through 6.2.14, 6.0.0 through 6.0.16, FortiProxy 7.2.0 through 7.2.3, 7.0.0 through 7.0.10, 2.0.0 through 2.0.12, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6, 1.0.0 through 1.0.7 allows attacker to denial of service via specially crafted HTTP requests.
Weakness: CWE-476
Known exploited
Not listed in CISA KEV as of the last check.
Exploit prediction
3% probability of exploitation in the next 30 days (percentile 85%).
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
What the source states, per branch
Versions matched by Patcharo
Fortinet FortiOSSource: Fortinet (CVE record)
| Branch | Affected | Fixed in |
|---|---|---|
| 7.2 | 7.2.0 – 7.2.4 | Fixed after 7.2.4 |
| 7.0 | 7.0.0 – 7.0.11 | Fixed after 7.0.11 |
| 6.4 | 6.4.0 – 6.4.12 | Fixed after 6.4.12 |
| 6.2 | 6.2.0 – 6.2.14 | Fixed after 6.2.14 |
| 6.0 | 6.0.0 – 6.0.16 | Fixed after 6.0.16 |
Versions not listed are stated unaffected by the vendor.
Fortinet FortiProxySource: Fortinet (CVE record)
| Branch | Affected | Fixed in |
|---|---|---|
| 7.2 | 7.2.0 – 7.2.3 | Fixed after 7.2.3 |
| 7.0 | 7.0.0 – 7.0.10 | Fixed after 7.0.10 |
| 2.0 | 2.0.0 – 2.0.12 | Fixed after 2.0.12 |
| 1.2 | 1.2.0 – 1.2.13 | Fixed after 1.2.13 |
| 1.1 | 1.1.0 – 1.1.6 | Fixed after 1.1.6 |
| 1.0 | 1.0.0 – 1.0.7 | Fixed after 1.0.7 |
Versions not listed are stated unaffected by the vendor.
Workaround / Vendor remediation
Vendor remediation · FortiOS
Please upgrade to FortiOS version 7.4.0 or above Please upgrade to FortiOS version 7.2.5 or above Please upgrade to FortiOS version 7.0.12 or above Please upgrade to FortiOS version 6.4.13 or above Please upgrade to FortiOS version 6.2.15 or above Please upgrade to FortiOS version 6.0.17 or above Please upgrade to FortiSASE version 22.4 or above Please upgrade to FortiProxy version 7.2.4 or above Please upgrade to FortiProxy version 7.0.11 or above Please upgrade to FortiProxy version 2.0.13 or above
Vendor remediation · FortiProxy
Please upgrade to FortiOS version 7.4.0 or above Please upgrade to FortiOS version 7.2.5 or above Please upgrade to FortiOS version 7.0.12 or above Please upgrade to FortiOS version 6.4.13 or above Please upgrade to FortiOS version 6.2.15 or above Please upgrade to FortiOS version 6.0.17 or above Please upgrade to FortiSASE version 22.4 or above Please upgrade to FortiProxy version 7.2.4 or above Please upgrade to FortiProxy version 7.0.11 or above Please upgrade to FortiProxy version 2.0.13 or above
References
Provenance
Every fact on this page comes from the sources below. Nothing is written by an AI.
- Fortinet (CVE record)
- Fortinet (CVE record) · 27 Sept 2026, 23:46 UTC · Parser patcharo-cve5/1.1.0
- NVD
- NVD · 27 Sept 2026, 23:44 UTC · Parser patcharo-nvd/1.0.0
- FIRST EPSS
- FIRST EPSS · 27 Sept 2026, 23:46 UTC · Parser patcharo-epss/1.0.0
Last verified: 28 Sept 2026, 02:31 UTC