SB2025040985 - Authenticated denial of service in FortiOS SSL VPN 

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Main Vulnerability Database SB2025040985

SB2025040985 - Authenticated denial of service in FortiOS SSL VPN

Published: April 9, 2025

Security Bulletin ID SB2025040985
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2023-42785)

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in SSL VPN service. A remote user can send a specially crafted HTTP request and crash the system.


2) NULL pointer dereference (CVE-ID: CVE-2023-42786)

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in SSL VPN service. A remote user can send a specially crafted HTTP request and crash the system.


Remediation

Install update from vendor's website.

References