A double free vulnerability [CWE-415] vulnerability in Fortinet FortiOS 6.4 all versions may allow a privileged attacker to execute code or…

published 2024-05-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-48606

cvss: 6.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 69%
public exploits: 0; none known

A double free vulnerability [CWE-415] vulnerability in Fortinet FortiOS 6.4 all versions may allow a privileged attacker to execute code or commands via crafted HTTP or HTTPs requests.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-24-074-05 updated 2026-01-14 cvss 6.6

Siemens RUGGEDCOM APE1808

Siemens RUGGEDCOM APE1808
affected: fixed in V7.4.3

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-05-14)

Exploit prediction

1.26% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C
CNA	3.1	6.6	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

Fortinet FortiOS

Classification

Weakness

CWE-415 Double Free

Technology feeds

Fortinet rss critical rss

References

fortiguard.com /psirt/FG-IR-23-195
vendor-advisory

Sources

CVE List CVE-2023-44247
NVD CVE-2023-44247

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary