CVE-2023-37930

Published Apr 8, 2025 CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed

Description

Multiple issues including the use of uninitialized ressources [CWE-908] and excessive iteration [CWE-834] vulnerabilities vulnerability in Fortinet allows a VPN user to corrupt memory potentially leading to code or commands execution via specifically crafted requests.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Fortinet

FortiProxy

unaffected

Version	Status	Constraints
`7.2.0`	affected	≤ 7.2.6
`7.0.0`	affected	≤ 7.0.12

Fortinet

FortiOS

unaffected

Version	Status	Constraints
`7.4.0`	affected	—
`7.2.0`	affected	≤ 7.2.5
`7.0.1`	affected	≤ 7.0.11
`6.4.7`	affected	≤ 6.4.14

Configuration 1 [-]

OR	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios:7.4.0:::::::*

Configuration 2 [-]

OR	cpe:2.3:a:fortinet:fortiproxy::::::::
	cpe:2.3:a:fortinet:fortiproxy::::::::

No data.

No data available yet.

Remediation

Vendor Solution

Please upgrade to FortiOS version 7.4.1 or above Please upgrade to FortiOS version 7.2.6 or above Please upgrade to FortiOS version 7.0.13 or above Please upgrade to FortiOS version 6.4.15 or above Please upgrade to FortiOS version 6.4.14 or above Please upgrade to FortiProxy version 7.4.0 or above Please upgrade to FortiProxy version 7.2.7 or above Please upgrade to FortiProxy version 7.0.13 or above FortiSASE is no longer impacted, issue remediated Q3/23 ## Workaround: Disable SSLVPN webmode. Alternatively, please use SSLVPN tunnel mode, IPsec (tunnel) or ZTNA (web access). https://community.fortinet.com/t5/FortiGate/Technical-Tip-How-to-disable-SSL-VPN-Web-Mode-or-Tunnel-Mode-in/ta-p/217990 https://docs.fortinet.com/document/fortigate/7.2.3/administration-guide/45836/ssl-vpn-to-ipsec-vpn https://docs.fortinet.com/document/fortigate/7.2.3/administration-guide/78050/migrating-from-ssl-vpn-to-ztna

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2023-41783	Multiple issues including the use of uninitialized ressources [CWE-908] and excessive iteration [CWE-834] vulnerabilities in Fortinet FortiOS SSL VPN webmode version 7.4.0, version 7.2.0 through 7.2.5, version 7.0.1 through 7.0.11 and version 6.4.7 through 6.4.14 and Fortinet FortiProxy SSL VPN webmode version 7.2.0 through 7.2.6 and version 7.0.0 through 7.0.12 allows a VPN user to corrupt memory potentially leading to code or commands execution via specifically crafted requests.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.641% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://fortiguard.com/psirt/FG-IR-23-165

History

Jan 14, 2026 2:00 PM Description updated. Affected versions updated View changes

Type	Values Removed	Values Added
Description	Multiple issues including the use of uninitialized ressources [CWE-908] and excessive iteration [CWE-834] vulnerabilities in Fortinet FortiOS SSL VPN webmode version 7.4.0, version 7.2.0 through 7.2.5, version 7.0.1 through 7.0.11 and version 6.4.7 through 6.4.14 and Fortinet FortiProxy SSL VPN webmode version 7.2.0 through 7.2.6 and version 7.0.0 through 7.0.12 allows a VPN user to corrupt memory potentially leading to code or commands execution via specifically crafted requests.	Multiple issues including the use of uninitialized ressources [CWE-908] and excessive iteration [CWE-834] vulnerabilities vulnerability in Fortinet allows a VPN user to corrupt memory potentially leading to code or commands execution via specifically crafted requests.
CPEs		cpe:2.3:a:fortinet:fortiproxy:7.0.0:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.10:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.11:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.12:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.1:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.2:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.3:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.4:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.5:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.6:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.7:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.8:::::::* cpe:2.3:a:fortinet:fortiproxy:7.0.9:::::::* cpe:2.3:a:fortinet:fortiproxy:7.2.0:::::::* cpe:2.3:a:fortinet:fortiproxy:7.2.1:::::::* cpe:2.3:a:fortinet:fortiproxy:7.2.2:::::::* cpe:2.3:a:fortinet:fortiproxy:7.2.3:::::::* cpe:2.3:a:fortinet:fortiproxy:7.2.4:::::::* cpe:2.3:a:fortinet:fortiproxy:7.2.5:::::::* cpe:2.3:a:fortinet:fortiproxy:7.2.6:::::::*

Jul 23, 2025 4:15 PM First appearance in the feed. Affected versions updated. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Fortinet fortiproxy
CPEs		cpe:2.3:a:fortinet:fortiproxy:::::::: cpe:2.3:o:fortinet:fortios::::::::
Vendors & Products		Fortinet fortiproxy

Apr 8, 2025 3:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Apr 8, 2025 2:15 PM Description updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		Multiple issues including the use of uninitialized ressources [CWE-908] and excessive iteration [CWE-834] vulnerabilities in Fortinet FortiOS SSL VPN webmode version 7.4.0, version 7.2.0 through 7.2.5, version 7.0.1 through 7.0.11 and version 6.4.7 through 6.4.14 and Fortinet FortiProxy SSL VPN webmode version 7.2.0 through 7.2.6 and version 7.0.0 through 7.0.12 allows a VPN user to corrupt memory potentially leading to code or commands execution via specifically crafted requests.
First Time appeared		Fortinet Fortinet fortios
Weaknesses		CWE-908
CPEs		cpe:2.3:o:fortinet:fortios:6.4.10:::::::* cpe:2.3:o:fortinet:fortios:6.4.11:::::::* cpe:2.3:o:fortinet:fortios:6.4.12:::::::* cpe:2.3:o:fortinet:fortios:6.4.13:::::::* cpe:2.3:o:fortinet:fortios:6.4.14:::::::* cpe:2.3:o:fortinet:fortios:6.4.7:::::::* cpe:2.3:o:fortinet:fortios:6.4.8:::::::* cpe:2.3:o:fortinet:fortios:6.4.9:::::::* cpe:2.3:o:fortinet:fortios:7.0.10:::::::* cpe:2.3:o:fortinet:fortios:7.0.11:::::::* cpe:2.3:o:fortinet:fortios:7.0.1:::::::* cpe:2.3:o:fortinet:fortios:7.0.2:::::::* cpe:2.3:o:fortinet:fortios:7.0.3:::::::* cpe:2.3:o:fortinet:fortios:7.0.4:::::::* cpe:2.3:o:fortinet:fortios:7.0.5:::::::* cpe:2.3:o:fortinet:fortios:7.0.6:::::::* cpe:2.3:o:fortinet:fortios:7.0.7:::::::* cpe:2.3:o:fortinet:fortios:7.0.8:::::::* cpe:2.3:o:fortinet:fortios:7.0.9:::::::* cpe:2.3:o:fortinet:fortios:7.2.0:::::::* cpe:2.3:o:fortinet:fortios:7.2.1:::::::* cpe:2.3:o:fortinet:fortios:7.2.2:::::::* cpe:2.3:o:fortinet:fortios:7.2.3:::::::* cpe:2.3:o:fortinet:fortios:7.2.4:::::::* cpe:2.3:o:fortinet:fortios:7.2.5:::::::* cpe:2.3:o:fortinet:fortios:7.4.0:::::::*
Vendors & Products		Fortinet Fortinet fortios
References		https://fortiguard.com/psirt/FG-IR-23-165
Metrics		cvssV3_1 `{'score': 6.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C'}`