SB2022042816 - Denial of service in Cisco Firepower Threat Defense Software



SB2022042816 - Denial of service in Cisco Firepower Threat Defense Software

Published: April 28, 2022

Security Bulletin ID SB2022042816
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2022-20751)

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

The vulnerability exists due to insufficient memory management for certain Snort events. A remote attacker can send a specially crafted IP packet and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.