Cyber Resilience

CVE-2023-33305

MediumDDoS

Published: 13 June 2023

Published
13 June 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0022 44.7th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-33305 is a medium-severity Infinite Loop (CWE-835) vulnerability in Fortinet Fortios. Its CVSS base score is 4.9 (Medium).

Operationally, ranked at the 44.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A loop with unreachable exit condition ('infinite loop') in Fortinet FortiOS version 7.2.0 through 7.2.4, FortiOS version 7.0.0 through 7.0.10, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0 all versions, FortiProxy version 7.2.0 through 7.2.3, FortiProxy version 7.0.0…

more

through 7.0.9, FortiProxy 2.0 all versions, FortiProxy 1.2 all versions, FortiProxy 1.1 all versions, FortiProxy 1.0 all versions, FortiWeb version 7.2.0 through 7.2.1, FortiWeb version 7.0.0 through 7.0.6, FortiWeb 6.4 all versions, FortiWeb 6.3 all versions allows attacker to perform a denial of service via specially crafted HTTP requests.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

fortinet
fortiproxy
1.0.0 — 1.0.7 · 1.1.0 — 1.1.6 · 1.2.0 — 1.2.13
fortinet
fortiweb
7.2.0, 7.2.1 · 6.3.0 — 6.3.23 · 6.4.0 — 6.4.3 · 7.0.0 — 7.0.6
fortinet
fortios
5.0.0 — 5.0.14 · 5.2.0 — 5.2.15 · 5.4.0 — 5.4.13

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-835

Enables transfer to alternate site if an infinite loop at the primary renders processing unavailable.

addresses: CWE-835

Detects and mitigates infinite loops that produce sustained resource consumption.

References