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    CVE-2009-4301

    mnet/lib.php in Moodle 1.8 before 1.8.11 and 1.9 before 1.9.7, when MNET services are enabled, does not properly check permissions, which allows remote authenticated servers to execute arbitrary MNET functions.

    Published:Nov 25, 2009
    Last Modified:Apr 23, 2026
    EPS:Dec 16, 2009
    EPSS Score:0.00877
    CVSS Score:6

    Affected Products

    Vendor
    Moodle
    Product
    Moodle

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-58341 (CVSS 3.5) — A flaw was found in Moodle. The actions to enable and disable group messaging did not include the necessary to…
    CVE-2022-50943 (CVSS 5.1) — Moodle LMS 4.0 contains a cross-site scripting vulnerability that allows unauthenticated attackers to inject m…
    CVE-2026-26047 (CVSS 6.5) — A denial-of-service vulnerability was identified in Moodle’s TeX formula editor. When rendering TeX content us…
    CVE-2026-26046 (CVSS 7.2) — A vulnerability was found in a Moodle TeX filter administrative setting where insufficient sanitization of con…
    CVE-2026-26045 (CVSS 7.2) — A flaw was identified in Moodle’s backup restore functionality where specially crafted backup files were not p…
    CVE-2025-67857 (CVSS 4.3) — A flaw was found in moodle. During anonymous assignment submissions, user identifiers were inadvertently expos…
    CVE-2025-67856 (CVSS 5.4) — A flaw was found in Moodle. An authorization logic flaw, specifically due to incomplete role checks during the…
    CVE-2025-67855 (CVSS 5.4) — A flaw was found in mooodle. A remote attacker could exploit a reflected Cross-Site Scripting (XSS) vulnerabil…
    CVE-2025-67853 (CVSS 7.5) — A flaw was found in Moodle. A remote attacker could exploit a lack of proper rate limiting in the confirmation…
    CVE-2025-67852 (CVSS 3.5) — A flaw was found in Moodle. An open redirect vulnerability in the OAuth login flow allows a remote attacker to…

    References

    http://cvs.moodle.org/moodle/mnet/lib.php?r1=1.16.2.10&r2=1.16.2.11
    http://cvs.moodle.org/moodle/mnet/lib.php?r1=1.9.2.7&r2=1.9.2.8
    http://docs.moodle.org/en/Moodle_1.8.11_release_notes
    http://docs.moodle.org/en/Moodle_1.9.7_release_notes
    http://moodle.org/mod/forum/discuss.php?d=139106
    http://secunia.com/advisories/37614
    http://www.securityfocus.com/bid/37244
    http://www.vupen.com/english/advisories/2009/3455
    https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00704.html
    https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00730.html
    https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00751.html
    http://cvs.moodle.org/moodle/mnet/lib.php?r1=1.16.2.10&r2=1.16.2.11
    http://cvs.moodle.org/moodle/mnet/lib.php?r1=1.9.2.7&r2=1.9.2.8
    http://docs.moodle.org/en/Moodle_1.8.11_release_notes
    http://docs.moodle.org/en/Moodle_1.9.7_release_notes
    http://moodle.org/mod/forum/discuss.php?d=139106
    http://secunia.com/advisories/37614
    http://www.securityfocus.com/bid/37244
    http://www.vupen.com/english/advisories/2009/3455
    https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00704.html
    https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00730.html
    https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00751.html

    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