CVE-2023-20071 - Vulnerability Details

Description

Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. This vulnerability is due to a flaw in the FTP module of the Snort detection engine. An attacker could exploit this vulnerability by sending crafted FTP traffic through an affected device. A successful exploit could allow the attacker to bypass FTP inspection and deliver a malicious payload.

Published: 2023-11-01

Score: 5.8 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Cisco

Cisco Firepower Threat Defense Software

affected

Version	Status	Constraints
`6.2.3`	affected	—
`6.2.3.1`	affected	—
`6.2.3.2`	affected	—
`6.2.3.3`	affected	—
`6.2.3.4`	affected	—
`6.2.3.5`	affected	—
`6.2.3.6`	affected	—
`6.2.3.7`	affected	—
`6.2.3.8`	affected	—
`6.2.3.10`	affected	—
`6.2.3.11`	affected	—
`6.2.3.9`	affected	—
`6.2.3.12`	affected	—
`6.2.3.13`	affected	—
`6.2.3.14`	affected	—
`6.2.3.15`	affected	—
`6.2.3.16`	affected	—
`6.2.3.17`	affected	—
`6.2.3.18`	affected	—
`6.6.0`	affected	—
`6.6.0.1`	affected	—
`6.6.1`	affected	—
`6.6.3`	affected	—
`6.6.4`	affected	—
`6.6.5`	affected	—
`6.6.5.1`	affected	—
`6.6.5.2`	affected	—
`6.6.7`	affected	—
`6.6.7.1`	affected	—
`6.4.0`	affected	—
`6.4.0.1`	affected	—
`6.4.0.3`	affected	—
`6.4.0.2`	affected	—
`6.4.0.4`	affected	—
`6.4.0.5`	affected	—
`6.4.0.6`	affected	—
`6.4.0.7`	affected	—
`6.4.0.8`	affected	—
`6.4.0.9`	affected	—
`6.4.0.10`	affected	—
`6.4.0.11`	affected	—
`6.4.0.12`	affected	—
`6.4.0.13`	affected	—
`6.4.0.14`	affected	—
`6.4.0.15`	affected	—
`6.4.0.16`	affected	—
`6.7.0`	affected	—
`6.7.0.1`	affected	—
`6.7.0.2`	affected	—
`6.7.0.3`	affected	—
`7.0.0`	affected	—
`7.0.0.1`	affected	—
`7.0.1`	affected	—
`7.0.1.1`	affected	—
`7.0.2`	affected	—
`7.0.2.1`	affected	—
`7.0.3`	affected	—
`7.0.4`	affected	—
`7.0.5`	affected	—
`7.1.0`	affected	—
`7.1.0.1`	affected	—
`7.1.0.2`	affected	—
`7.1.0.3`	affected	—
`7.2.0`	affected	—
`7.2.0.1`	affected	—
`7.2.1`	affected	—
`7.2.2`	affected	—
`7.2.3`	affected	—
`7.3.0`	affected	—
`7.3.1`	affected	—
`7.3.1.1`	affected	—

Cisco

Cisco Umbrella Insights Virtual Appliance

affected

Version	Status	Constraints
`N/A`	affected	—

Cisco

Cisco Cyber Vision

affected

Version	Status	Constraints
`3.0.4`	affected	—
`3.0.0`	affected	—
`3.0.1`	affected	—
`3.0.2`	affected	—
`3.0.3`	affected	—
`3.0.5`	affected	—
`3.0.6`	affected	—
`3.1.0`	affected	—
`3.1.2`	affected	—
`3.1.1`	affected	—
`3.2.3`	affected	—
`3.2.1`	affected	—
`3.2.4`	affected	—
`3.2.0`	affected	—
`3.2.2`	affected	—
`4.0.0`	affected	—
`4.0.1`	affected	—
`4.0.2`	affected	—
`4.0.3`	affected	—
`4.1.0`	affected	—
`4.1.1`	affected	—
`4.1.2`	affected	—

Cisco

Cisco UTD SNORT IPS Engine Software

affected

Version	Status	Constraints
`16.12.1a`	affected	—
`16.12.2`	affected	—
`16.12.3`	affected	—
`16.12.4`	affected	—
`16.12.5`	affected	—
`16.12.6`	affected	—
`16.12.7`	affected	—
`16.12.8`	affected	—
`16.6.1`	affected	—
`16.6.5`	affected	—
`16.6.6`	affected	—
`16.6.7a`	affected	—
`16.6.9`	affected	—
`16.6.10`	affected	—
`17.1.1`	affected	—
`17.2.1r`	affected	—
`17.3.1a`	affected	—
`17.3.2`	affected	—
`17.3.3`	affected	—
`17.3.4a`	affected	—
`17.3.6`	affected	—
`17.3.5`	affected	—
`17.3.7`	affected	—
`3.17.0S`	affected	—
`3.17.1S`	affected	—
`17.4.1a`	affected	—
`17.4.2`	affected	—
`17.4.1b`	affected	—
`17.5.1a`	affected	—
`17.6.1a`	affected	—
`17.6.2`	affected	—
`17.6.3a`	affected	—
`17.6.4`	affected	—
`17.6.5`	affected	—
`17.7.1a`	affected	—
`17.7.2`	affected	—
`17.10.1a`	affected	—
`17.9.1a`	affected	—
`17.9.2a`	affected	—
`17.9.3a`	affected	—
`17.8.1a`	affected	—
`Fuji-16.9.2`	affected	—
`Fuji-16.9.4`	affected	—
`Fuji-16.9.6`	affected	—
`Fuji-16.9.3`	affected	—
`Fuji-16.9.7`	affected	—
`Fuji-16.9.8`	affected	—
`Fuji-16.9.5`	affected	—
`Denali-16.3.3`	affected	—
`Denali-16.3.9`	affected	—
`Denali-16.3.7`	affected	—
`Denali-16.3.5`	affected	—
`Denali-16.3.4`	affected	—
`Everest-16.6.3`	affected	—
`Everest-16.6.4`	affected	—
`Everest-16.6.2`	affected	—

Configuration 1 [-]

AND

OR	cpe:2.3:a:cisco:firepower_threat_defense::::::::
	cpe:2.3:a:cisco:firepower_threat_defense::::::::
	cpe:2.3:a:cisco:firepower_threat_defense::::::::
	cpe:2.3:a:cisco:firepower_threat_defense::::::::

cpe:2.3:a:snort:snort:2.0:-:*:*:*:*:*:*

Configuration 2 [-]

AND

OR	cpe:2.3:a:cisco:firepower_threat_defense::::::::
	cpe:2.3:a:cisco:firepower_threat_defense::::::::
	cpe:2.3:a:cisco:firepower_threat_defense::::::::

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

Configuration 3 [-]

cpe:2.3:a:cisco:cyber_vision:*:*:*:*:*:*:*:*

Configuration 4 [-]

OR	cpe:2.3:a:cisco:unified_threat_defense::::::::
	cpe:2.3:a:cisco:unified_threat_defense::::::::
	cpe:2.3:a:cisco:unified_threat_defense::::::::
	cpe:2.3:a:cisco:unified_threat_defense::::::::
	cpe:2.3:a:cisco:unified_threat_defense::::::::

Configuration 5 [-]

cpe:2.3:o:cisco:meraki_mx_security_appliance_firmware:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-24250	Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. This vulnerability is due to a flaw in the FTP module of the Snort detection engine. An attacker could exploit this vulnerability by sending crafted FTP traffic through an affected device. A successful exploit could allow the attacker to bypass FTP inspection and deliver a malicious payload.

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 0.00047.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-ftd-zXYtnjOM

History

No history.

Subscriptions

Cisco Cyber Vision Firepower Threat Defense Meraki Mx Security Appliance Firmware Unified Threat Defense

Snort Snort

MITRE

Status: PUBLISHED

Assigner: cisco

Published: 2023-11-01T17:07:44.528Z

Updated: 2024-08-02T08:57:35.845Z

Reserved: 2022-10-27T18:47:50.328Z

Link: CVE-2023-20071

Vulnrichment

No data.

NVD

Status : Modified

Published: 2023-11-01T18:15:09.090

Modified: 2024-11-21T07:40:29.093

Link: CVE-2023-20071

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

Tracking

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

Subscriptions

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