Description
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.
Published: 2024-11-15
Score: 5.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3317-1 snort security update
Debian DSA Debian DSA DSA-5354-1 snort security update
EUVD EUVD EUVD-2021-6961 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.
History

Fri, 15 Nov 2024 22:15:00 +0000

Type Values Removed Values Added
First Time appeared Cisco
Cisco firepower Threat Defense Software
Cisco utd Snort Ips Engine Software
CPEs cpe:2.3:a:cisco:firepower_threat_defense_software:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:utd_snort_ips_engine_software:*:*:*:*:*:*:*:*
Vendors & Products Cisco
Cisco firepower Threat Defense Software
Cisco utd Snort Ips Engine Software
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 15 Nov 2024 16:30:00 +0000

Type Values Removed Values Added
Description 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.
Weaknesses CWE-693
References
Metrics cvssV3_1

{'score': 5.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N'}


Subscriptions

Cisco Firepower Threat Defense Software Utd Snort Ips Engine Software
cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2024-11-15T21:23:12.943Z

Reserved: 2020-11-13T00:00:00.000Z

Link: CVE-2021-1494

cve-icon Vulnrichment

Updated: 2024-11-15T21:23:06.575Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2024-11-15T17:15:09.423

Modified: 2024-11-18T17:11:56.587

Link: CVE-2021-1494

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses