# CVE-2024-21762: Fortinet FortiOS Out-of-Bound Write Vulnerability

> CVE-2024-21762: Fortinet FortiOS Out-of-Bound Write Vulnerability. CVSS 9.6 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2024-21762
Last updated: 2026-10-22T13:48:34Z

- Published: 2024-02-09 08:14 UTC · Updated: 2026-10-22 13:48 UTC · Assigner: fortinet
- CVSS: 9.6 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:W/RC:C
- EPSS: 84.6%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2024-02-09, federal due date 2024-02-16, ransomware use: Known
- CWE: CWE-787

## Description

A out-of-bounds write vulnerability in Fortinet FortiOS 7.4.0 through 7.4.2, FortiOS 7.2.0 through 7.2.6, FortiOS 7.0.0 through 7.0.13, FortiOS 6.4.0 through 6.4.14, FortiOS 6.2.0 through 6.2.15, FortiOS 6.0 all versions, FortiProxy 7.4.0 through 7.4.2, FortiProxy 7.2.0 through 7.2.8, FortiProxy 7.0.0 through 7.0.14, FortiProxy 2.0.0 through 2.0.13, FortiProxy 01.02 all versions, FortiProxy 1.2 all versions, FortiProxy 01.01 all versions, FortiProxy 1.1 all versions, FortiProxy 01.00 all versions allows attacker to execute unauthorized code or commands via specifically crafted requests

## CISA required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

## Affected vendors and products

- fortinet: fortios
- fortinet: fortiproxy
- Fortinet: FortiOS
- Fortinet: FortiProxy

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2024-21762)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2024-21762)
- [https://fortiguard.com/psirt/FG-IR-24-015](https://fortiguard.com/psirt/FG-IR-24-015)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2024-21762 · Markdown: https://rewindex.com/cve/CVE-2024-21762.md · JSON: https://rewindex.com/api/v1/cves/CVE-2024-21762 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:15:31.012Z