CVE-2020-25630

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    CVE-2020-25630

    Published: 8 Dec 2020Last Modified: 8 Jul 2026

    Summary:

    Details: A vulnerability was found in Moodle where the decompressed size of zip files was not checked against available user quota before unzipping them, which could lead to a denial of service risk. This affects versions 3.9 to 3.9.1, 3.8 to 3.8.4, 3.7 to 3.7.7, 3.5 to 3.5.13 and earlier unsupported versions. Fixed in 3.9.2, 3.8.5, 3.7.8 and 3.5.14.

    References: https://moodle.org/mod/forum/discuss.php?d=410842

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 46574904afd39578fa4146bf1fc5c401ac680aa6
    Fixed -598064e4d9958b22e8b8c81016440b1aea48771e

    Affected versions

    v3.5.13
    v3.5.12
    v3.5.11
    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-2020-25630 | CVE-DB