SB2023041140 - Brute-force attack in FortiOS and FortiProxy



SB2023041140 - Brute-force attack in FortiOS and FortiProxy

Published: April 11, 2023

Security Bulletin ID SB2023041140
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Restriction of Excessive Authentication Attempts (CVE-ID: CVE-2022-43947)

CWE-ID: CWE-307 - Improper Restriction of Excessive Authentication Attempts

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


The vulnerability allows a remote attacker to perform a brute-force attack.

The vulnerability exist due to improper restriction of excessive authentication attempts in administrative interface. A remote attacker with access to the administrative interface can perform a brute-force attack and gain unauthorized access to the system.


Remediation

Install update from vendor's website.