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.
References
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Configuration 3 (hide)
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History
03 Jul 2025, 17:19
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First Time |
Cisco snort
Cisco Cisco firepower Threat Defense Cisco unified Threat Defense Snort Intrusion Prevention System Engine |
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CPE | cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.6.5:*:*:*:*:*:*:* cpe:2.3:a:cisco:firepower_threat_defense:7.4.0:*:*:*:*:*:*:* cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.6.4:*:*:*:*:*:*:* cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.12.1a:*:*:*:*:*:*:* cpe:2.3:o:cisco:unified_threat_defense_snort_intrusion_prevention_system_engine:17.12.2:*:*:*:*:*:*:* cpe:2.3:a:cisco:snort:*:*:*:*:*:*:*:* |
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References | () https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort3-ips-bypass-uE69KBMd - Vendor Advisory |
21 Nov 2024, 08:52
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References | () https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort3-ips-bypass-uE69KBMd - |
03 Jul 2024, 01:46
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Summary |
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22 May 2024, 17:16
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New CVE |
Information
Published : 2024-05-22 17:16
Updated : 2025-07-03 17:19
NVD link : CVE-2024-20363
Mitre link : CVE-2024-20363
CVE.ORG link : CVE-2024-20363
JSON object : View
Products Affected
cisco
- unified_threat_defense_snort_intrusion_prevention_system_engine
- snort
- firepower_threat_defense
CWE
CWE-290
Authentication Bypass by Spoofing