CVE-2020-1755

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    CVE-2020-1755

    Published: 16 Aug 2022Last Modified: 8 Jul 2026

    Summary:

    Details: In Moodle before 3.8.2, 3.7.5, 3.6.9 and 3.5.11, X-Forwarded-For headers could be used to spoof a user's IP, in order to bypass remote address checks.

    References: https://moodle.org/mod/forum/discuss.php?d=398351

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 46574904afd39578fa4146bf1fc5c401ac680aa6
    Fixed -d3f01844da98ac2c3f685e946219cf749a8aecab

    Affected versions

    v3.5.10
    v3.5.9
    v3.5.8
    v3.5.7
    v3.5.6
    v3.5.5
    v3.5.4
    v3.5.3
    v3.5.2
    v3.5.1
    v3.5.0

    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
    CVE-2020-1755 | CVE-DB