CVE-2024-20363

medium Cisco
CVSS v3 Base Score
5.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
EPSS Score
0.4%
Exploitation probability in 30 days
Top 71% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Published: May 22, 2024 (837 days ago)
Last Modified: August 11, 2026
Vendor: Cisco
Source: NVD

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.

CWE

CWE-290

Affected Products

cisco secure firewall threat defensecisco unified threat defense snort intrusion prevention system enginecisco snort

References

🔗 sec.cloudapps.cisco.com 🔗 sec.cloudapps.cisco.com