CVE-2024-20363

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.

Category

5.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.08%
Vendor Advisory cisco.com
Affected: Cisco Cisco Firepower Threat Defense Software
Affected: Cisco Cisco UTD SNORT IPS Engine Software
Published at:
Updated at:

References

Link Tags
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort3-ips-bypass-uE69KBMd vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-20363?
CVE-2024-20363 has been scored as a medium severity vulnerability.
How to fix CVE-2024-20363?
To fix CVE-2024-20363, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-20363 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-20363 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-20363?
CVE-2024-20363 affects Cisco Cisco Firepower Threat Defense Software, Cisco Cisco UTD SNORT IPS Engine Software.
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