CVE-2024-20342

Summary

Multiple Cisco products are affected by a vulnerability in the rate filtering feature of the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured rate limiting filter. 

This vulnerability is due to an incorrect connection count comparison. An attacker could exploit this vulnerability by sending traffic through an affected device at a rate that exceeds a configured rate filter. A successful exploit could allow the attacker to successfully bypass the rate filter. This could allow unintended traffic to enter the network protected by the affected device.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco Firepower Threat Defense Software7.0.0affected
CiscoCisco Firepower Threat Defense Software7.0.0.1affected
CiscoCisco Firepower Threat Defense Software7.0.1affected
CiscoCisco Firepower Threat Defense Software7.1.0affected
CiscoCisco Firepower Threat Defense Software7.0.1.1affected
CiscoCisco Firepower Threat Defense Software7.1.0.1affected
CiscoCisco Firepower Threat Defense Software7.0.2affected
CiscoCisco Firepower Threat Defense Software7.2.0affected
CiscoCisco Firepower Threat Defense Software7.0.2.1affected
CiscoCisco Firepower Threat Defense Software7.0.3affected
CiscoCisco Firepower Threat Defense Software7.1.0.2affected
CiscoCisco Firepower Threat Defense Software7.2.0.1affected
CiscoCisco Firepower Threat Defense Software7.0.4affected
CiscoCisco Firepower Threat Defense Software7.2.1affected
CiscoCisco Firepower Threat Defense Software7.0.5affected
CiscoCisco Firepower Threat Defense Software7.3.0affected
CiscoCisco Firepower Threat Defense Software7.2.2affected
CiscoCisco Firepower Threat Defense Software7.2.3affected
CiscoCisco Firepower Threat Defense Software7.3.1affected
CiscoCisco Firepower Threat Defense Software7.1.0.3affected
CiscoCisco Firepower Threat Defense Software7.2.4affected
CiscoCisco Firepower Threat Defense Software7.0.6affected
CiscoCisco Firepower Threat Defense Software7.2.5affected
CiscoCisco Firepower Threat Defense Software7.2.4.1affected
CiscoCisco Firepower Threat Defense Software7.3.1.1affected
CiscoCisco Firepower Threat Defense Software7.4.0affected
CiscoCisco Firepower Threat Defense Software7.0.6.1affected
CiscoCisco Firepower Threat Defense Software7.2.5.1affected
CiscoCisco Firepower Threat Defense Software7.4.1affected
CiscoCisco Firepower Threat Defense Software7.4.1.1affected
CiscoCisco Firepower Threat Defense Software7.2.5.2affected
CiscoCisco Firepower Threat Defense Software7.3.1.2affected

Weaknesses

  • CWE-1025: Comparison Using Wrong Factors

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References