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    CVE-2024-20357

    A vulnerability in the XML service of Cisco IP Phone firmware could allow an unauthenticated, remote attacker to initiate phone calls on an affected device. This vulnerability exists because bounds-checking does not occur while parsing XML requests. An attacker could exploit this vulnerability by sending a crafted XML request to an affected device. A successful exploit could allow the attacker to initiate calls or play sounds on the device.

    Published:May 1, 2024
    Last Modified:Jan 5, 2026
    EPS:May 1, 2024
    EPSS Score:0.004
    CVSS Score:5.9

    Affected Products

    Vendor
    Cisco
    Product
    Ip Phone 6821
    Vendor
    Cisco
    Product
    Ip Phone 6821 With Multiplatform Firmware
    Vendor
    Cisco
    Product
    Ip Phone 6841
    Vendor
    Cisco
    Product
    Ip Phone 6841 With Multiplatform Firmware
    Vendor
    Cisco
    Product
    Ip Phone 6851
    Vendor
    Cisco
    Product
    Ip Phone 6851 With Multiplatform Firmware
    Vendor
    Cisco
    Product
    Ip Phone 6861
    Vendor
    Cisco
    Product
    Ip Phone 6861 With Multiplatform Firmware
    Vendor
    Cisco
    Product
    Ip Phone 6871
    Vendor
    Cisco
    Product
    Ip Phone 6871 With Multiplatform Firmware
    Vendor
    Cisco
    Product
    Ip Phone 7811
    Vendor
    Cisco
    Product
    Ip Phone 7811 With Multiplatform Firmware
    Vendor
    Cisco
    Product
    Ip Phone 7821
    Vendor
    Cisco
    Product
    Ip Phone 7821 With Multiplatform Firmware
    Vendor
    Cisco
    Product
    Ip Phone 7832
    Vendor
    Cisco
    Product
    Ip Phone 7832 With Multiplatform Firmware
    Vendor
    Cisco
    Product
    Ip Phone 7841
    Vendor
    Cisco
    Product
    Ip Phone 7841 With Multiplatform Firmware
    Vendor
    Cisco
    Product
    Ip Phone 7861
    Vendor
    Cisco
    Product
    Ip Phone 7861 With Multiplatform Firmware
    Vendor
    Cisco
    Product
    Ip Phone 8811
    Vendor
    Cisco
    Product
    Ip Phone 8811 With Multiplatform Firmware
    Vendor
    Cisco
    Product
    Ip Phone 8832
    Vendor
    Cisco
    Product
    Ip Phone 8832 With Multiplatform Firmware
    Vendor
    Cisco
    Product
    Ip Phone 8841
    Vendor
    Cisco
    Product
    Ip Phone 8841 With Multiplatform Firmware
    Vendor
    Cisco
    Product
    Ip Phone 8845
    Vendor
    Cisco
    Product
    Ip Phone 8845 With Multiplatform Firmware
    Vendor
    Cisco
    Product
    Ip Phone 8851
    Vendor
    Cisco
    Product
    Ip Phone 8851 With Multiplatform Firmware
    Vendor
    Cisco
    Product
    Ip Phone 8861
    Vendor
    Cisco
    Product
    Ip Phone 8861 With Multiplatform Firmware
    Vendor
    Cisco
    Product
    Ip Phone 8865
    Vendor
    Cisco
    Product
    Ip Phone 8865 With Multiplatform Firmware
    Vendor
    Cisco
    Product
    Video Phone 8875
    Vendor
    Cisco
    Product
    Video Phone 8875 Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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