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Vulnerability details: VCID-48nx-2gkv-jbch
Vulnerability ID VCID-48nx-2gkv-jbch
Aliases CVE-2024-1439
GHSA-5p2x-8427-9fgp
Summary Moodle Improper Access Control vulnerability Inadequate access control in Moodle LMS. This vulnerability could allow a local user with a student role to create arbitrary events intended for users with higher roles. It could also allow the attacker to add events to the calendar of all users without their prior consent.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-284 Improper Access Control
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2024-1439
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2024-1439
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-5p2x-8427-9fgp
cvssv3.1 6.5 https://github.com/moodle/moodle
generic_textual MODERATE https://github.com/moodle/moodle
cvssv3.1 3.3 https://nvd.nist.gov/vuln/detail/CVE-2024-1439
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2024-1439
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2024-1439
cvssv3.1 6.5 https://www.incibe.es/en/incibe-cert/notices/aviso/inadequate-access-control-vulnerability-moodle
generic_textual MODERATE https://www.incibe.es/en/incibe-cert/notices/aviso/inadequate-access-control-vulnerability-moodle
ssvc Track https://www.incibe.es/en/incibe-cert/notices/aviso/inadequate-access-control-vulnerability-moodle
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2024-1439
https://github.com/moodle/moodle
https://nvd.nist.gov/vuln/detail/CVE-2024-1439
https://www.incibe.es/en/incibe-cert/notices/aviso/inadequate-access-control-vulnerability-moodle
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
GHSA-5p2x-8427-9fgp https://github.com/advisories/GHSA-5p2x-8427-9fgp
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Found at https://github.com/moodle/moodle
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2024-1439
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2024-1439
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Found at https://www.incibe.es/en/incibe-cert/notices/aviso/inadequate-access-control-vulnerability-moodle
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-02-12T16:28:28Z/ Found at https://www.incibe.es/en/incibe-cert/notices/aviso/inadequate-access-control-vulnerability-moodle
Exploit Prediction Scoring System (EPSS)
Percentile 0.21498
EPSS Score 0.00068
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:09:50.124677+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/02/GHSA-5p2x-8427-9fgp/GHSA-5p2x-8427-9fgp.json 36.1.3