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CVE-2023-20071

MEDIUM
Published 2023-11-01T17:07:44.528Z
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CVSS Score

V3.1
5.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.049
Higher than 4.9% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
NONE
Integrity
LOW
Availability
NONE

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Cisco

Cisco Firepower Threat Defense Software

Affected Versions:

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

Cisco Umbrella Insights Virtual Appliance

Affected Versions:

N/A
Cisco

Cisco Cyber Vision

Affected Versions:

3.0.4 3.0.0 3.0.1 3.0.2 3.0.3 3.0.5 3.0.6 3.1.0 3.1.2 3.1.1 3.2.3 3.2.1 3.2.4 3.2.0 3.2.2 4.0.0 4.0.1 4.0.2 4.0.3 4.1.0 4.1.1 4.1.2
Cisco

Cisco UTD SNORT IPS Engine Software

Affected Versions:

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

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-54ph-4xc5-8pjx

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-20071
WEB https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-ftd-zXYtnjOM

Advisory provided by GitHub Security Advisory Database. Published: November 1, 2023, Modified: November 1, 2023

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-ftd-zXYtnjOM
Published: 2023-11-01T17:07:44.528Z
Last Modified: 2024-08-02T08:57:35.845Z
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