Medium
moodle: broken access control when setting calendar event type
Type: advisorySources: OSV
Incorrect validation of allowed event types in a calendar web service made it possible for some users to create events with types/audiences they did not have permission to publish to.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2024-33996
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 16:09 UTC · Revision 1
Source evidence
moodle: broken access control when setting calendar event type
core-osv · Original sourcePublished 31 May 2024, 19:29 UTC
Incorrect validation of allowed event types in a calendar web service made it possible for some users to create events with types/audiences they did not have permission to publish to.
osv:CVE-2024-33996
Complete source record
{
"id": "3df476986c016f49149e3689c25207c5f2b08e1851129096ff229a04f5b45ade",
"url": "https://osv.dev/vulnerability/CVE-2024-33996",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "moodle: broken access control when setting calendar event type",
"summary": "Incorrect validation of allowed event types in a calendar web service made it possible for some users to create events with types/audiences they did not have permission to publish to.",
"evidence": "osv:CVE-2024-33996",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2024-33996",
"aliases": [
"BIT-moodle-2024-33996",
"CVE-2024-33996",
"GHSA-4qww-rxq6-x7gf"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/moodle/moodle",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "e8d03fdae4ec30a40cdc535c8e9e95f30604ec10"
},
{
"introduced": "ae4efa96ee8169a848c141ad21690165ea791552"
},
{
"fixed": "6a1fcb30506343b7b4866b489c90843f5d453187"
},
{
"introduced": "fe7aff8093240cc373f1ddaa66ecb91c4bc0a09f"
},
{
"fixed": "143c2cd5bef1268751d58bbfc6c66c1d93cb9797"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "4.1.10"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.2.0"
},
{
"fixed": "4.2.7"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.3.0"
},
{
"fixed": "4.3.4"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v4.2.6",
"v4.3.3",
"v4.1.9",
"v4.1.8",
"v4.2.5",
"v4.3.2",
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"v4.1.0",
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"v4.1.0-rc2",
"v4.1.0-rc1",
"v4.0.0",
"v4.0.0-rc2",
"v4.0.0-rc3",
"v4.0.0-rc4",
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"v4.0.0-beta",
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"v3.4.0",
"v3.4.0-rc2",
"v3.4.0-rc3",
"v3.4.0-rc1",
"v3.4.0-beta",
"v3.3.0",
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"v2.9.0",
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"v1.3.0",
"v1.2.1",
"v1.2.0",
"v1.1.1",
"v1.1.0",
"v1.0.9",
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"v1.0.7",
"v1.0.6",
"v1.0.5",
"v1.0.4",
"v1.0.3",
"v1.0.2",
"v1.0.1",
"v1.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-33996.json"
}
}
],
"modified": "2026-10-28T02:30:20.648447315Z",
"provider": "osv",
"references": [
"https://moodle.org/mod/forum/discuss.php?d=458384#p1840909",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/33xxx/CVE-2024-33996.json",
"https://nvd.nist.gov/vuln/detail/CVE-2024-33996"
],
"provider_metadata": {
"cwe_ids": [
"CWE-20"
],
"cna_assigner": "fedora",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "4.0"
},
{
"last_affected": "4.3.3"
},
{
"introduced": "4.2"
},
{
"last_affected": "4.2.6"
},
{
"introduced": "4.1"
},
{
"last_affected": "4.1.9"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/33xxx/CVE-2024-33996.json"
}
},
"related_cves": [
{
"value": "CVE-2024-33996",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 486951,
"published_at": "2024-05-31T19:29:07.256+00:00"
}