An improper check or handling of exceptional conditions vulnerability [CWE-703] in Fortinet FortiOS version 7.4.1 allows an unauthenticated…

published 2024-05-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-23303

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

An improper check or handling of exceptional conditions vulnerability [CWE-703] in Fortinet FortiOS version 7.4.1 allows an unauthenticated attacker to provoke a denial of service on the administrative interface via crafted HTTP 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 5.3

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: yes
Technical impact: partial
Assessed: 2 y ago (2024-05-14)

Exploit prediction

1.16% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.0	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C
CNA	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Fortinet FortiOS

Classification

Weakness

CWE-703 Improper Check or Handling of Exceptional Conditions

Technology feeds

Fortinet rss critical rss

References

fortiguard.com /psirt/FG-IR-24-017
vendor-advisory

Sources

CVE List CVE-2024-26007
NVD CVE-2024-26007

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