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    CVE-2024-34891

    Insufficiently protected credentials in DAV server settings in 1C-Bitrix Bitrix24 23.300.100 allows remote administrators to read Exchange account passwords via HTTP GET request.

    Published:Nov 4, 2024
    Last Modified:Sep 4, 2025
    EPS:Nov 4, 2024
    EPSS Score:0.001
    CVSS Score:6.8

    Affected Products

    Vendor
    Bitrix
    Product
    Bitrix24
    Vendor
    Bitrix24
    Product
    Bitrix24

    Exploits

    https://github.com/DrieVlad/BitrixVulns

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-37 Retrieve Embedded Sensitive Data

    Related CVEs

    CVE-2025-67886 (CVSS 6.3) — Bitrix24 through 25.100.300 allows Remote Code Execution because an actor with SOURCE/WRITE permissions for th…
    CVE-2024-34882 (CVSS 4.9) — Insufficiently protected credentials in SMTP server settings in 1C-Bitrix Bitrix24 23.300.100 allows remote ad…
    CVE-2024-34883 (CVSS 4.9) — Insufficiently protected credentials in DAV server settings in 1C-Bitrix Bitrix24 23.300.100 allow remote admi…
    CVE-2024-34885 (CVSS 6.8) — Insufficiently protected credentials in SMTP server settings in 1C-Bitrix Bitrix24 23.300.100 allows remote ad…
    CVE-2024-34887 (CVSS 4.9) — Insufficiently protected credentials in AD/LDAP server settings in 1C-Bitrix Bitrix24 23.300.100 allows remote…
    CVE-2020-13758 (CVSS 6.1) — modules/security/classes/general.post_filter.php/post_filter.php in the Web Application Firewall in Bitrix24 t…

    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