CVE-2023-5543

    Dashboard / Vulnerabilities / CVE-2023-5543

    CVE-2023-5543

    Published: 9 Nov 2023Last Modified: 12 Aug 2026

    Summary: Moodle: duplicating a bigbluebutton activity assigns the same meeting id

    Details: When duplicating a BigBlueButton activity, the original meeting ID was also duplicated instead of using a new ID for the new activity. This could provide unintended access to the original meeting.

    References: http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77795, https://git.moodle.org, https://moodle.org/mod/forum/discuss.php?d=451584, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5543.json, https://nvd.nist.gov/vuln/detail/CVE-2023-5543, https://bugzilla.redhat.com/show_bug.cgi?id=2243442

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 8b359ad7a63cf219110bca80552fe3d4ea2a635d
    Fixed -b72ce02928c561588861d24330b2c3619f76d116

    Affected versions

    v4.1.5
    v4.1.4
    v4.1.3
    v4.1.2
    v4.1.1
    v4.1.0

    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-2023-5543 | CVE-DB