DEBIAN-CVE-2021-21439

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    DEBIAN-CVE-2021-21439

    Published: 14 Jun 2021Last Modified: 27 Aug 2026
    Upstream:
    CVE-2021-21439

    Summary:

    Details: DoS attack can be performed when an email contains specially designed URL in the body. It can lead to the high CPU usage and cause low quality of service, or in extreme case bring the system to a halt. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.26 and prior versions; 8.0.x version 8.0.13 and prior versions.

    References: https://security-tracker.debian.org/tracker/CVE-2021-21439

    Affected packages

    Package

    Name: otrs2

    Purl: pkg:deb/debian/otrs2?arch=source&distro=bullseye

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -6.0.32-5

    Affected versions

    2.0.4p01-10
    2.0.4p01-11
    2.0.4p01-12
    2.0.4p01-13
    2.0.4p01-14
    2.0.4p01-14.1
    2.0.4p01-15
    2.0.4p01-16
    2.0.4p01-17
    2.0.4p01-18
    2.0.4p01-6
    2.0.4p01-7
    2.0.4p01-8
    2.0.4p01-9
    2.0.99beta1-1
    2.0.99beta1-2

    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
    DEBIAN-CVE-2021-21439 | CVE-DB