What is CVE-2023-33305?

CVE-2023-33305 is a medium-severity vulnerability in Fortinet Fortios, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 4.9/10. Published 2023-06-13.

How severe is CVE-2023-33305?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in Fortinet Fortios

CVE-2023-33305

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 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.

EPSS: 0.008 (53.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

Affected products

Fortinet Fortios — versions 7.2.0, 7.0.0, 6.4.0
Fortinet Fortiproxy — versions 7.2.0, 7.0.0, 2.0.0
Fortinet Fortiweb — versions 6.4.0, 6.3.0, 7.0.0

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

psirt@fortinet.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-33305?: CVE-2023-33305 is a medium-severity vulnerability in Fortinet Fortios, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 4.9/10. Published 2023-06-13.
How severe is CVE-2023-33305?: Medium severity. CVSS v3 base score is 4.9 out of 10.