SB2023110240 - Denial of service in Cisco Firepower Management Center (FMC) Software



SB2023110240 - Denial of service in Cisco Firepower Management Center (FMC) Software

Published: November 2, 2023

Security Bulletin ID SB2023110240
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
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 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2023-20155)

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

The vulnerability exists due to a lack of rate-limiting of requests that are sent to a specific API that is related to an FMC log. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.