CVE-2024-20363

Multiple Cisco products are affected by a vulnerability in the Snort Intrusion Prevention System (IPS) rule engine that could allow an unauthenticated, remote attacker to bypass the configured rules o

Severity
Medium 5.8
CVSS 3.1
Exploited
Not listed
EPSS
0.004
29.2th percentile
Discovered by
Vendor
Published by the vendor
Published
May 22, 2024
Assigned by cisco

Description

Multiple Cisco products are affected by a vulnerability in the Snort Intrusion Prevention System (IPS) rule engine that could allow an unauthenticated, remote attacker to bypass the configured rules on an affected system. This vulnerability is due to incorrect HTTP packet handling. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass configured IPS rules and allow uninspected traffic onto the network.

Weakness: CWE-290

Affected products

Vendor Product Category Matched by
Cisco Cisco Firepower Threat Defense (FTD) Firewall / NGFW cna-assigner
Cisco Cisco UTD SNORT IPS Engine Threat Detection & Sandbox cna-assigner
Vendor-reported affected versions (7)
  • Cisco · Cisco Firepower Threat Defense Software
  • Cisco · Cisco UTD SNORT IPS Engine Software
  • cisco · firepower_threat_defense
  • cisco · snort_intrusion_prevention_system
  • cisco · snort_intrusion_prevention_system
  • cisco · snort_intrusion_prevention_system
  • cisco · snort_intrusion_prevention_system