Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Firepower Threat Defense | 7.4.0 |
| Cisco | Unified Threat Defense Snort Intrusion Prevention System Engine | 17.6.4 |
| Cisco | Snort | >= 3.0.0-233, < 3.1.69.0 |
Related Weaknesses (CWE)
References
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/ciVendor Advisory
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/ciVendor Advisory
FAQ
What is CVE-2024-20363?
CVE-2024-20363 is a vulnerability with a CVSS score of 5.8 (MEDIUM). 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...
How severe is CVE-2024-20363?
CVE-2024-20363 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-20363?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Firepower Threat Defense, Cisco Unified Threat Defense Snort Intrusion Prevention System Engine, Cisco Snort.