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    CVE-2020-3166

    A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to read or write arbitrary files on the underlying operating system (OS). The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by including crafted arguments to a specific CLI command. A successful exploit could allow the attacker to read or write to arbitrary files on the underlying OS.

    Published:Feb 26, 2020
    Last Modified:Aug 11, 2026
    EPS:Feb 26, 2020
    EPSS Score:0.00285
    CVSS Score:6.7

    Affected Products

    Vendor
    Cisco
    Product
    Adaptive Security Appliance Software
    Vendor
    Cisco
    Product
    Firepower 1010
    Vendor
    Cisco
    Product
    Firepower 1120
    Vendor
    Cisco
    Product
    Firepower 1140
    Vendor
    Cisco
    Product
    Firepower 1150
    Vendor
    Cisco
    Product
    Firepower 2110
    Vendor
    Cisco
    Product
    Firepower 2120
    Vendor
    Cisco
    Product
    Firepower 2130
    Vendor
    Cisco
    Product
    Firepower 2140
    Vendor
    Cisco
    Product
    Firepower 4110
    Vendor
    Cisco
    Product
    Firepower 4115
    Vendor
    Cisco
    Product
    Firepower 4120
    Vendor
    Cisco
    Product
    Firepower 4125
    Vendor
    Cisco
    Product
    Firepower 4140
    Vendor
    Cisco
    Product
    Firepower 4145
    Vendor
    Cisco
    Product
    Firepower 4150
    Vendor
    Cisco
    Product
    Firepower 9300
    Vendor
    Cisco
    Product
    Firepower Extensible Operating System
    Vendor
    Cisco
    Product
    Secure Firewall Threat Defense

    Exploits

    No exploit reference

    Common Weakness Enumeration

    Common Attack Pattern Enumeration and Classification (CAPEC)

    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