CVE Feed

    Dashboard / CVE / CVE-2025-24391

    CVE-2025-24391

    A vulnerability in the External Interface of OTRS allows conclusions to be drawn about the existence of user accounts through different HTTP response codes and messages. This enables an attacker to systematically identify valid email addresses. This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X * OTRS 2025.X

    Published:Jul 14, 2025
    Last Modified:Apr 15, 2026
    EPS:Jul 14, 2025
    EPSS Score:0.00066
    CVSS Score:5.3

    Affected Products

    Vendor
    Otrs
    Product
    Otrs

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-203 Observable Discrepancy

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-189 Black Box Reverse Engineering

    Related CVEs

    CVE-2026-48187 (CVSS 5.7) — An uncontrolled allocation of resources without limits or throttling in the e-mail handling in OTRS allows exc…
    CVE-2026-48188 (CVSS 9.1) — An improper Input Validation vulnerability in OTRS or ((OTRS)) Community Edition database layer module allows …
    CVE-2026-48189 (CVSS 5.7) — An improper Input Validation vulnerability in OTRS Customer Backend module allows to access customer informati…
    CVE-2026-48190 (CVSS 3.5) — An incorrect handling of permissions in OTRS External Interface and the ConfigItem List module allows an authe…
    CVE-2026-48191 (CVSS 3.5) — An incorrect handling of permissions in STORM powered by OTRS and in OTRS (2026.x and above) Document Search A…
    CVE-2026-48208 (CVSS 6.5) — An improper neutralization of active SVG content in OTRS or ((OTRS)) Community Edition ticket article renderin…
    CVE-2026-48209 (CVSS 7.1) — An improper neutralization of user-controllable input in OTRS or ((OTRS)) Community Edition ticket handling al…
    CVE-2026-48210 (CVSS 5.7) — An improper default configuration in OTRS 2026.3.1 causes ticket article forwarding actions to enforce the “Is…
    CVE-2026-6060 (CVSS 4.5) — A vulnerability in the SQL Box in the admin interface of OTRS leads to an uncontrolled resource consumption le…
    CVE-2025-24387 (CVSS 4.8) — A vulnerability in OTRS Application Server allows session hijacking due to missing attributes for sensitive c…

    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