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    CVE-2019-1808

    A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software patch on an affected device. The vulnerability is due to improper verification of digital signatures for patch images. An attacker could exploit this vulnerability by loading an unsigned software patch on an affected device. A successful exploit could allow the attacker to boot a malicious software patch image.

    Published:May 15, 2019
    Last Modified:Nov 21, 2024
    EPS:May 15, 2019
    EPSS Score:0.00086
    CVSS Score:4.4

    Affected Products

    Vendor
    Cisco
    Product
    7000 10-slot
    Vendor
    Cisco
    Product
    7000 18-slot
    Vendor
    Cisco
    Product
    7000 4-slot
    Vendor
    Cisco
    Product
    7000 9-slot
    Vendor
    Cisco
    Product
    7700 10-slot
    Vendor
    Cisco
    Product
    7700 18-slot
    Vendor
    Cisco
    Product
    7700 2-slot
    Vendor
    Cisco
    Product
    7700 6-slot
    Vendor
    Cisco
    Product
    Mds 9706
    Vendor
    Cisco
    Product
    Mds 9710
    Vendor
    Cisco
    Product
    Mds 9718
    Vendor
    Cisco
    Product
    N77-f312ck-26
    Vendor
    Cisco
    Product
    N77-f324fq-25
    Vendor
    Cisco
    Product
    N77-f348xp-23
    Vendor
    Cisco
    Product
    N77-f430cq-36
    Vendor
    Cisco
    Product
    N77-m312cq-26l
    Vendor
    Cisco
    Product
    N77-m324fq-25l
    Vendor
    Cisco
    Product
    N77-m348xp-23l
    Vendor
    Cisco
    Product
    N7k-f248xp-25e
    Vendor
    Cisco
    Product
    N7k-f306ck-25
    Vendor
    Cisco
    Product
    N7k-f312fq-25
    Vendor
    Cisco
    Product
    N7k-m202cf-22l
    Vendor
    Cisco
    Product
    N7k-m206fq-23l
    Vendor
    Cisco
    Product
    N7k-m224xp-23l
    Vendor
    Cisco
    Product
    N7k-m324fq-25l
    Vendor
    Cisco
    Product
    N7k-m348xp-25l
    Vendor
    Cisco
    Product
    Nexus 7000 Supervisor 1
    Vendor
    Cisco
    Product
    Nexus 7000 Supervisor 2
    Vendor
    Cisco
    Product
    Nexus 7000 Supervisor 2e
    Vendor
    Cisco
    Product
    Nexus 7700 Supervisor 2e
    Vendor
    Cisco
    Product
    Nexus 7700 Supervisor 3e
    Vendor
    Cisco
    Product
    Nx-os

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-463 Padding Oracle Crypto Attack
    CAPEC-475 Signature Spoofing by Improper Validation

    Related CVEs

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    CVE-2019-1962 (CVSS 8.6) — A vulnerability in the Cisco Fabric Services component of Cisco NX-OS Software could allow an unauthenticated,…
    CVE-2019-1963 (CVSS 7.7) — A vulnerability in the Simple Network Management Protocol (SNMP) input packet processor of Cisco FXOS Software…
    CVE-2019-1858 (CVSS 8.6) — A vulnerability in the Simple Network Management Protocol (SNMP) input packet processor of Cisco FXOS Software…
    CVE-2019-1809 (CVSS 6.7) — A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticat…
    CVE-2019-1791 (CVSS 6.7) — A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker with administr…
    CVE-2019-1795 (CVSS 6.7) — A vulnerability in the CLI of Cisco FXOS Software and Cisco NX-OS Software could allow an authenticated, local…
    CVE-2019-1790 (CVSS 6.7) — A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker with valid adm…
    CVE-2019-1774 (CVSS 6.7) — A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker to execute arb…

    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