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    CVE-2023-20071

    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:Nov 1, 2023
    Last Modified:Aug 11, 2026
    EPS:Nov 1, 2023
    EPSS Score:0.00519
    CVSS Score:5.8

    Affected Products

    Vendor
    Cisco
    Product
    Cyber Vision
    Vendor
    Cisco
    Product
    Meraki Mx Security Appliance Firmware
    Vendor
    Cisco
    Product
    Secure Firewall Threat Defense
    Vendor
    Cisco
    Product
    Unified Threat Defense
    Vendor
    Snort
    Product
    Snort

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High