CVE-2023-33305 : A loop with unreachable exit condition ('infinite loop') in Fortinet FortiOS ver

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.

Published 2023-06-13 09:15:19

Updated 2023-06-22 15:56:34

Source Fortinet, Inc.

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2023-33305

Fortinet » Fortios
Versions from including (>=) 6.0.0 and up to, including, (<=) 6.0.17
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortios
Versions from including (>=) 6.4.0 and up to, including, (<=) 6.4.13
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortios
Versions from including (>=) 5.6.0 and up to, including, (<=) 5.6.14
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortios
Versions from including (>=) 7.0.0 and up to, including, (<=) 7.0.9
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortios
Versions from including (>=) 6.2.0 and up to, including, (<=) 6.2.15
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortios
Versions from including (>=) 5.0.0 and up to, including, (<=) 5.0.14
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortios
Versions from including (>=) 7.2.0 and up to, including, (<=) 7.2.4
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortios
Versions from including (>=) 5.2.0 and up to, including, (<=) 5.2.15
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortios
Versions from including (>=) 5.4.0 and up to, including, (<=) 5.4.13
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortiweb
Versions from including (>=) 6.3.0 and up to, including, (<=) 6.3.23
cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortiweb
Versions from including (>=) 6.4.0 and up to, including, (<=) 6.4.3
cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortiweb
Versions from including (>=) 7.0.0 and up to, including, (<=) 7.0.6
cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortiweb » Version: 7.2.0
cpe:2.3:a:fortinet:fortiweb:7.2.0:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortiweb » Version: 7.2.1
cpe:2.3:a:fortinet:fortiweb:7.2.1:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortiproxy
Versions from including (>=) 7.2.0 and up to, including, (<=) 7.2.3
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortiproxy
Versions from including (>=) 1.2.0 and up to, including, (<=) 1.2.13
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortiproxy
Versions from including (>=) 1.0.0 and up to, including, (<=) 1.0.7
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortiproxy
Versions from including (>=) 2.0.0 and up to, including, (<=) 2.0.12
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortiproxy
Versions from including (>=) 7.0.0 and up to, including, (<=) 7.0.9
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortiproxy
Versions from including (>=) 1.1.0 and up to, including, (<=) 1.1.6
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2023-33305

EPSS FAQ

0.08%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 38 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-33305

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
4.9	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H	1.2	3.6	Fortinet, Inc.
Attack Vector: Network Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2023-33305

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

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2023-33305

https://fortiguard.com/psirt/FG-IR-22-375

PSIRT Advisories | FortiGuard
Vendor Advisory

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Vulnerability Details : CVE-2023-33305

Products affected by CVE-2023-33305

Exploit prediction scoring system (EPSS) score for CVE-2023-33305

CVSS scores for CVE-2023-33305

CWE ids for CVE-2023-33305

References for CVE-2023-33305