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    CVE-2023-22955

    An issue was discovered on AudioCodes VoIP desk phones through 3.4.4.1000. The validation of firmware images only consists of simple checksum checks for different firmware components. Thus, by knowing how to calculate and where to store the required checksums for the flasher tool, an attacker is able to store malicious firmware.

    Published:Aug 11, 2023
    Last Modified:Apr 17, 2025
    EPS:Aug 11, 2023
    EPSS Score:0.00066
    CVSS Score:7.8

    Affected Products

    Vendor
    Audiocodes
    Product
    405hd
    Vendor
    Audiocodes
    Product
    405hd Firmware
    Vendor
    Audiocodes
    Product
    445hd
    Vendor
    Audiocodes
    Product
    445hd Firmware
    Vendor
    Audiocodes
    Product
    C450hd
    Vendor
    Audiocodes
    Product
    C450hd Firmware
    Vendor
    Audiocodes Ltd
    Product
    Voip Phones

    Exploits

    https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2022-055.txthttps://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2022-055.txt

    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