CVE-2024-20407

Summary

A vulnerability in the interaction between the TCP Intercept feature and the Snort 3 detection engine on Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured policies on an affected system. Devices that are configured with Snort 2 are not affected by this vulnerability. This vulnerability is due to a logic error when handling embryonic (half-open) TCP connections. An attacker could exploit this vulnerability by sending a crafted traffic pattern through an affected device. A successful exploit could allow unintended traffic to enter the network protected by the affected device.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco Firepower Threat Defense Software6.2.3affected
CiscoCisco Firepower Threat Defense Software6.2.3.1affected
CiscoCisco Firepower Threat Defense Software6.2.3.2affected
CiscoCisco Firepower Threat Defense Software6.2.3.3affected
CiscoCisco Firepower Threat Defense Software6.2.3.4affected
CiscoCisco Firepower Threat Defense Software6.2.3.5affected
CiscoCisco Firepower Threat Defense Software6.2.3.6affected
CiscoCisco Firepower Threat Defense Software6.2.3.7affected
CiscoCisco Firepower Threat Defense Software6.2.3.8affected
CiscoCisco Firepower Threat Defense Software6.2.3.10affected
CiscoCisco Firepower Threat Defense Software6.2.3.11affected
CiscoCisco Firepower Threat Defense Software6.2.3.9affected
CiscoCisco Firepower Threat Defense Software6.2.3.12affected
CiscoCisco Firepower Threat Defense Software6.2.3.13affected
CiscoCisco Firepower Threat Defense Software6.2.3.14affected
CiscoCisco Firepower Threat Defense Software6.2.3.15affected
CiscoCisco Firepower Threat Defense Software6.2.3.16affected
CiscoCisco Firepower Threat Defense Software6.2.3.17affected
CiscoCisco Firepower Threat Defense Software6.2.3.18affected
CiscoCisco Firepower Threat Defense Software6.6.0affected
CiscoCisco Firepower Threat Defense Software6.6.0.1affected
CiscoCisco Firepower Threat Defense Software6.6.1affected
CiscoCisco Firepower Threat Defense Software6.6.3affected
CiscoCisco Firepower Threat Defense Software6.6.4affected
CiscoCisco Firepower Threat Defense Software6.6.5affected
CiscoCisco Firepower Threat Defense Software6.6.5.1affected
CiscoCisco Firepower Threat Defense Software6.6.5.2affected
CiscoCisco Firepower Threat Defense Software6.6.7affected
CiscoCisco Firepower Threat Defense Software6.6.7.1affected
CiscoCisco Firepower Threat Defense Software6.6.7.2affected
CiscoCisco Firepower Threat Defense Software6.4.0affected
CiscoCisco Firepower Threat Defense Software6.4.0.1affected
CiscoCisco Firepower Threat Defense Software6.4.0.3affected
CiscoCisco Firepower Threat Defense Software6.4.0.2affected
CiscoCisco Firepower Threat Defense Software6.4.0.4affected
CiscoCisco Firepower Threat Defense Software6.4.0.5affected
CiscoCisco Firepower Threat Defense Software6.4.0.6affected
CiscoCisco Firepower Threat Defense Software6.4.0.7affected
CiscoCisco Firepower Threat Defense Software6.4.0.8affected
CiscoCisco Firepower Threat Defense Software6.4.0.9affected
CiscoCisco Firepower Threat Defense Software6.4.0.10affected
CiscoCisco Firepower Threat Defense Software6.4.0.11affected
CiscoCisco Firepower Threat Defense Software6.4.0.12affected
CiscoCisco Firepower Threat Defense Software6.4.0.13affected
CiscoCisco Firepower Threat Defense Software6.4.0.14affected
CiscoCisco Firepower Threat Defense Software6.4.0.15affected
CiscoCisco Firepower Threat Defense Software6.4.0.16affected
CiscoCisco Firepower Threat Defense Software6.4.0.17affected
CiscoCisco Firepower Threat Defense Software6.4.0.18affected
CiscoCisco Firepower Threat Defense Software6.7.0affected
CiscoCisco Firepower Threat Defense Software6.7.0.1affected
CiscoCisco Firepower Threat Defense Software6.7.0.2affected
CiscoCisco Firepower Threat Defense Software6.7.0.3affected
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 Software7.0.1.1affected
CiscoCisco Firepower Threat Defense Software7.0.2affected
CiscoCisco Firepower Threat Defense Software7.0.2.1affected
CiscoCisco Firepower Threat Defense Software7.0.3affected
CiscoCisco Firepower Threat Defense Software7.0.4affected
CiscoCisco Firepower Threat Defense Software7.0.5affected
CiscoCisco Firepower Threat Defense Software7.0.6affected
CiscoCisco Firepower Threat Defense Software7.0.6.1affected
CiscoCisco Firepower Threat Defense Software7.0.6.2affected
CiscoCisco Firepower Threat Defense Software7.1.0affected
CiscoCisco Firepower Threat Defense Software7.1.0.1affected
CiscoCisco Firepower Threat Defense Software7.1.0.2affected
CiscoCisco Firepower Threat Defense Software7.1.0.3affected
CiscoCisco Firepower Threat Defense Software7.2.0affected
CiscoCisco Firepower Threat Defense Software7.2.0.1affected
CiscoCisco Firepower Threat Defense Software7.2.1affected
CiscoCisco Firepower Threat Defense Software7.2.2affected
CiscoCisco Firepower Threat Defense Software7.2.3affected
CiscoCisco Firepower Threat Defense Software7.2.4affected
CiscoCisco Firepower Threat Defense Software7.2.4.1affected
CiscoCisco Firepower Threat Defense Software7.2.5affected
CiscoCisco Firepower Threat Defense Software7.2.5.1affected
CiscoCisco Firepower Threat Defense Software7.2.6affected
CiscoCisco Firepower Threat Defense Software7.2.7affected
CiscoCisco Firepower Threat Defense Software7.2.5.2affected
CiscoCisco Firepower Threat Defense Software7.2.8affected
CiscoCisco Firepower Threat Defense Software7.2.8.1affected
CiscoCisco Firepower Threat Defense Software7.3.0affected
CiscoCisco Firepower Threat Defense Software7.3.1affected
CiscoCisco Firepower Threat Defense Software7.3.1.1affected
CiscoCisco Firepower Threat Defense Software7.3.1.2affected
CiscoCisco Firepower Threat Defense Software7.4.0affected
CiscoCisco Firepower Threat Defense Software7.4.1affected
CiscoCisco Firepower Threat Defense Software7.4.1.1affected

Weaknesses

  • CWE-399: Resource Management Errors

ADP Enrichment

CISA ADP Vulnrichment

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

References