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Multiple Cisco Products Snort FTP Inspection Bypass Vulnerability

cisco-sa-snort-ftd-zXYtnjOM · Medium · Published · 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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-ftd-zXYtnjOM This advisory is part of the November 2023 release of the Cisco ASA, FTD, and FMC Security Advisory Bundled publication. For a complete list of the advisories and links to them, see Cisco Event Response: November 2023 Semiannual Cisco ASA, FMC, and FTD Software Security Advisory Bundled Publication.

Cisco advisory · CSAF JSON

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2023-20071
Cisco Bug IDsCSCwb69096, CSCwd83613, CSCwd09631, CSCwe02137, CSCwe57521
CVSS ScoreBase 5.8
Base 5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:X/RL:X/RC:X
Product Names From Source
Cisco Umbrella Insights Virtual Appliance, Cisco Cyber Vision, Cisco UTD SNORT IPS Engine Software, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.1, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.2, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.3, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.4, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.5, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.6, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.7, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.8, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.10, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.11, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.9, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.12, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.13, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.14, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.15, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.16, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.17, Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.18, Cisco Secure Firewall Threat Defense (FTD) Software 6.6.0, Cisco Secure Firewall Threat Defense (FTD) Software 6.6.0.1, Cisco Secure Firewall Threat Defense (FTD) Software 6.6.1, Cisco Secure Firewall Threat Defense (FTD) Software 6.6.3, Cisco Secure Firewall Threat Defense (FTD) Software 6.6.4, Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5, Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5.1, Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5.2, Cisco Secure Firewall Threat Defense (FTD) Software 6.6.7, Cisco Secure Firewall Threat Defense (FTD) Software 6.6.7.1, Cisco Secure Firewall Threat Defense (FTD) Software 6.6.7.2, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.1, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.3, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.2, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.4, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.5, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.6, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.7, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.8, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.9, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.10, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.11, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.12, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.13, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.14, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.15, Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.16, Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0, Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.0.2, Cisco Secure Firewall Threat Defense (FTD) Software 7.0.2.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.0.3, Cisco Secure Firewall Threat Defense (FTD) Software 7.0.4, Cisco Secure Firewall Threat Defense (FTD) Software 7.0.5, Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0, Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0.2, Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0.3, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.0, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.0.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.2, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.3, Cisco Secure Firewall Threat Defense (FTD) Software 7.3.0, Cisco Secure Firewall Threat Defense (FTD) Software 7.3.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.3.1.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.3.1.2, Cisco Secure Firewall Threat Defense (FTD) Software, Cisco Firepower 2100 Series, Cisco Firepower 1000 Series, Cisco ASA 5500-X Series Firewalls, Cisco 3000 Series Industrial Security Appliances (ISA), Cisco Firepower 9000 Series, Cisco Firepower 4100 Series, Cisco Secure Firewall Threat Defense Virtual, Cisco Secure Firewall 3100 Series

Related Products

Product CVE Evidence
Cisco Umbrella Insights Virtual Appliance CVE-2023-20071 Cisco OpenVuln
Cisco Umbrella CVE-2023-20071 Cisco OpenVuln
Cisco UTD SNORT IPS Engine Software CVE-2023-20071 Cisco OpenVuln
Cisco Secure Firewall Threat Defense Virtual CVE-2023-20071 Cisco OpenVuln
Cisco Secure Firewall Threat Defense (FTD) Software CVE-2023-20071 Cisco OpenVuln
Cisco Secure Firewall 3100 Series CVE-2023-20071 Cisco OpenVuln
Cisco Firepower 9000 Series CVE-2023-20071 Cisco OpenVuln
Cisco Firepower 4100 Series CVE-2023-20071 Cisco OpenVuln
Cisco Firepower 2100 Series CVE-2023-20071 Cisco OpenVuln
Cisco Firepower 1000 Series CVE-2023-20071 Cisco OpenVuln
Cisco Cyber Vision CVE-2023-20071 Cisco OpenVuln
Cisco ASA 5500-X Series Firewalls CVE-2023-20071 Cisco OpenVuln
Cisco 3000 Series Industrial Security Appliances (ISA) CVE-2023-20071 Cisco OpenVuln