CVE-2023-20071
First published: Wed Nov 01 2023(Updated: )
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.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| Any of | ||
| Cisco Firepower Threat Defense | <6.4.0.17 | |
| Cisco Firepower Threat Defense | >=6.5.0<7.0.6 | |
| Cisco Firepower Threat Defense | >=7.1.0<7.2.4 | |
| Cisco Firepower Threat Defense | >=7.3.0<7.3.1.2 | |
| Snort Snort | =2.0 | |
| All of | ||
| Any of | ||
| Cisco Firepower Threat Defense | >=6.7.0<7.0.5 | |
| Cisco Firepower Threat Defense | >=7.1.0<7.1.0.3 | |
| Cisco Firepower Threat Defense | >=7.2.0<7.2.1 | |
| Snort Snort | <3.1.32.0 | |
| Cisco Cyber Vision | <4.1.3 | |
| Cisco Unified Threat Defense | >=17.3<17.3.8 | |
| Cisco Unified Threat Defense | >=17.6<17.6.6 | |
| Cisco Unified Threat Defense | >=17.9<17.9.4 | |
| Cisco Unified Threat Defense | >=17.11<17.11.1a | |
| Cisco Unified Threat Defense | >=17.12<17.12.1a | |
| Cisco Meraki Mx Security Appliance Firmware |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Cisco vulnerability?
The vulnerability ID for this Cisco vulnerability is CVE-2023-20071.
What is the severity of CVE-2023-20071?
The severity of CVE-2023-20071 is medium, with a severity value of 5.8.
Which Cisco products are affected by CVE-2023-20071?
The affected Cisco products include Cisco Firepower Threat Defense, Cisco Cyber Vision, Cisco Unified Threat Defense, and Cisco Meraki Mx Security Appliance Firmware.
What is the vulnerability in the Snort detection engine?
The vulnerability in the Snort detection engine allows an unauthenticated, remote attacker to bypass the configured policies on an affected system.
How can an attacker exploit CVE-2023-20071?
An attacker can exploit CVE-2023-20071 by exploiting a flaw in the FTP module of the Snort detection engine.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/weakness
- agent/author
- agent/last-modified-date
- agent/references
- agent/softwarecombine
- agent/first-publish-date
- agent/event
- agent/description
- agent/tags
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- vendor/cisco
- canonical/cisco firepower threat defense
- version/cisco firepower threat defense/6.5.0
- version/cisco firepower threat defense/7.1.0
- version/cisco firepower threat defense/7.3.0
- vendor/snort
- canonical/snort snort
- version/snort snort/2.0
- version/cisco firepower threat defense/6.7.0
- version/cisco firepower threat defense/7.2.0
- canonical/cisco cyber vision
- canonical/cisco unified threat defense
- version/cisco unified threat defense/17.3
- version/cisco unified threat defense/17.6
- version/cisco unified threat defense/17.9
- version/cisco unified threat defense/17.11
- version/cisco unified threat defense/17.12
- canonical/cisco meraki mx security appliance firmware