Cisco Snort Vulnerability Allows Bypass of Configured File Policy for HTTP

CVE-2021-1494

5.8MEDIUM

Key Information

Vendor
Cisco
Status
Cisco Firepower Threat Defense Software
Cisco Utd Snort Ips Engine Software
Vendor
CVE Published:
15 November 2024

Summary

Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured file policy for HTTP. The vulnerability is due to incorrect handling of specific HTTP header parameters. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass a configured file policy for HTTP packets and deliver a malicious payload.

Affected Version(s)

Cisco Firepower Threat Defense Software =

Cisco UTD SNORT IPS Engine Software = 16.12.1a

Cisco UTD SNORT IPS Engine Software = 16.12.2

References

CVSS V3.1

Score:
5.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database
.