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Cisco FTD: CVE-2023-20071: Multiple Cisco Products Snort FTP Inspection Bypass Vulnerability

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Cisco FTD: CVE-2023-20071: Multiple Cisco Products Snort FTP Inspection Bypass Vulnerability

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
11/01/2023
Created
02/07/2025
Added
01/29/2025
Modified
02/12/2025

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.

Solution(s)

  • cisco-ftd-upgrade-latest

References

  • https://attackerkb.com/topics/cve-2023-20071
  • CVE - 2023-20071
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-ftd-zXYtnjOM
  • cisco-sa-snort-ftd-zXYtnjOM
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