SB20240312316 - Improper authentication in FortiOS



SB20240312316 - Improper authentication in FortiOS

Published: March 12, 2024

Security Bulletin ID SB20240312316
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Authentication (CVE-ID: CVE-2023-46717)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an improper authentication in FortiOS when configured with FortiAuthenticator in HA. A remote user with at least read-only permission can gain read-write access via successive login attempts.


Remediation

Install update from vendor's website.