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Inadequate access control vulnerability in Moodle LMS affects versions 4.2 and prior, discovered by David Utón Amaya and assigned CVE-2024-1439. The vulnerability was disclosed on February 12, 2024, and allows unauthorized calendar event manipulation (INCIBE Advisory).
The vulnerability has been assigned a CVSS v3.1 base score of 6.5 MEDIUM (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N) by INCIBE, while NIST assigned it a lower score of 3.3 LOW (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N). The vulnerability is classified as CWE-284 (Improper Access Control) (INCIBE Advisory, NVD).
The vulnerability enables a local user with a student role to create arbitrary events intended for users with higher roles and add events to the calendar of all users without their prior consent, potentially disrupting calendar management and event scheduling for the entire system (INCIBE Advisory).
As of the initial disclosure, no official solution or patch has been reported for this vulnerability (INCIBE Advisory).
Source: This report was generated using AI
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