SB2025102464 - Use of uninitialized resource in FortiOS and FortiProxy SSL-VPN
Published: October 24, 2025
Security Bulletin ID
SB2025102464
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use of uninitialized resource (CVE-ID: CVE-2023-37930)
CWE-ID: CWE-908 - Use of Uninitialized Resource
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote user to compromise the affected system.
The vulnerability exists due to usage of uninitialized resources within the SSL-VPN webmode. A remote authenticated user can send specially crafted requests to the SSL-VPN websocket, trigger uninitialized usage of resources and perform a denial of service attack or execute arbitrary code on the device.
Remediation
Install update from vendor's website.