CVE-2023-20246 - Vulnerability Details - OpenCVE

Multiple Cisco products are affected by a vulnerability in Snort access control policies that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. This vulnerability is due to a logic error that occurs when the access control policies are being populated. An attacker could exploit this vulnerability by establishing a connection to an affected device. A successful exploit could allow the attacker to bypass configured access control rules on the affected system.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00559.

Key SSVC decision points have not yet been added.

Vendors	Products
Cisco	Ios Xe Secure Firewall Threat Defense
Snort	Snort

Configuration 1 [-]

cpe:2.3:a:snort:snort:*:*:*:*:*:*:*:*

Configuration 2 [-]

OR	cpe:2.3:a:cisco:secure_firewall_threat_defense::::::::
	cpe:2.3:o:cisco:ios_xe::::::::

No data.

No data.

References

Link	Providers
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3acp-bypass-3bdR2BEh

History

Tue, 11 Aug 2026 20:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Cisco secure Firewall Threat Defense
CPEs	cpe:2.3:a:cisco:firepower_threat_defense::::::::	cpe:2.3:a:cisco:secure_firewall_threat_defense::::::::
Vendors & Products	Cisco firepower Threat Defense	Cisco secure Firewall Threat Defense

MITRE

Status: PUBLISHED

Assigner: cisco

Published: 2023-11-01T17:13:58.231Z

Updated: 2024-09-06T16:34:39.970Z

Reserved: 2022-10-27T18:47:50.371Z

Link: CVE-2023-20246

Vulnrichment

Updated: 2024-08-02T09:05:36.677Z

NVD

Status : Modified

Published: 2023-11-01T18:15:09.583

Modified: 2026-08-11T19:33:44.513

Link: CVE-2023-20246

Redhat

No data.

OpenCVE Enrichment

No data.

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