CVE-2024-20363
Last modified
CVE-2024-20363 is a medium-severity vulnerability rated 5.8/10 on the CVSS scale. 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. EPSS estimates a 0.37% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Firepower Threat Defense | 7.4.0 |
| Cisco | Unified Threat Defense Snort Intrusion Prevention System Engine | 17.6.4 |
| Cisco | Unified Threat Defense Snort Intrusion Prevention System Engine | 17.6.5 |
| Cisco | Unified Threat Defense Snort Intrusion Prevention System Engine | 17.12.1a |
| Cisco | Unified Threat Defense Snort Intrusion Prevention System Engine | 17.12.2 |
| Cisco | Snort | >= 3.0.0-233, < 3.1.69.0 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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