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    CVE-2019-1804

    A vulnerability in the SSH key management for the Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software could allow an unauthenticated, remote attacker to connect to the affected system with the privileges of the root user. The vulnerability is due to the presence of a default SSH key pair that is present in all devices. An attacker could exploit this vulnerability by opening an SSH connection via IPv6 to a targeted device using the extracted key materials. An exploit could allow the attacker to access the system with the privileges of the root user. This vulnerability is only exploitable over IPv6; IPv4 is not vulnerable.

    Published:May 3, 2019
    Last Modified:Nov 21, 2024
    EPS:May 3, 2019
    EPSS Score:0.07257
    CVSS Score:9.8

    Affected Products

    Vendor
    Cisco
    Product
    Nexus 93108tc-ex
    Vendor
    Cisco
    Product
    Nexus 93108tc-ex Firmware
    Vendor
    Cisco
    Product
    Nexus 93120tx
    Vendor
    Cisco
    Product
    Nexus 93120tx Firmware
    Vendor
    Cisco
    Product
    Nexus 93128tx
    Vendor
    Cisco
    Product
    Nexus 93128tx Firmware
    Vendor
    Cisco
    Product
    Nexus 93180yc-ex
    Vendor
    Cisco
    Product
    Nexus 93180yc-ex Firmware
    Vendor
    Cisco
    Product
    Nexus 9332pq
    Vendor
    Cisco
    Product
    Nexus 9332pq Firmware
    Vendor
    Cisco
    Product
    Nexus 9372px
    Vendor
    Cisco
    Product
    Nexus 9372px Firmware
    Vendor
    Cisco
    Product
    Nexus 9372tx
    Vendor
    Cisco
    Product
    Nexus 9372tx Firmware
    Vendor
    Cisco
    Product
    Nexus 9396px
    Vendor
    Cisco
    Product
    Nexus 9396px Firmware
    Vendor
    Cisco
    Product
    Nexus 9396tx
    Vendor
    Cisco
    Product
    Nexus 9396tx Firmware
    Vendor
    Cisco
    Product
    Nexus 9500
    Vendor
    Cisco
    Product
    Nexus 9500 Firmware
    Vendor
    Cisco
    Product
    Nexus 9504
    Vendor
    Cisco
    Product
    Nexus 9504 Firmware
    Vendor
    Cisco
    Product
    Nexus 9508
    Vendor
    Cisco
    Product
    Nexus 9508 Firmware
    Vendor
    Cisco
    Product
    Nexus 9516
    Vendor
    Cisco
    Product
    Nexus 9516 Firmware

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

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    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