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    CVE-2020-13758

    modules/security/classes/general.post_filter.php/post_filter.php in the Web Application Firewall in Bitrix24 through 20.0.950 allows XSS by placing %00 before the payload.

    Published:Jun 1, 2020
    Last Modified:Nov 21, 2024
    EPS:Jun 1, 2020
    EPSS Score:0.00141
    CVSS Score:6.1

    Affected Products

    Vendor
    Bitrix
    Product
    Bitrix24

    Exploits

    https://blog.deteact.com/bitrix-waf-bypass/https://blog.deteact.com/bitrix-waf-bypass/

    Related CVEs

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    CVE-2024-34885 (CVSS 6.8) — Insufficiently protected credentials in SMTP server settings in 1C-Bitrix Bitrix24 23.300.100 allows remote ad…
    CVE-2024-34891 (CVSS 6.8) — Insufficiently protected credentials in DAV server settings in 1C-Bitrix Bitrix24 23.300.100 allows remote adm…
    CVE-2024-34887 (CVSS 4.9) — Insufficiently protected credentials in AD/LDAP server settings in 1C-Bitrix Bitrix24 23.300.100 allows remote…

    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