{
"id": "GHSA-8jhp-2gcr-qw96",
"aliases": [
"CVE-2021-3943"
],
"details": "A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. A remote code execution risk when restoring backup files was identified.",
"summary": "Moodle vulnerable to RCE via unsafe deserialization",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "3.11"
},
{
"fixed": "3.11.4"
}
]
}
],
"package": {
"name": "moodle/moodle",
"ecosystem": "Packagist"
},
"database_specific": {
"last_known_affected_version_range": "<= 3.11.3"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "3.10"
},
{
"fixed": "3.10.8"
}
]
}
],
"package": {
"name": "moodle/moodle",
"ecosystem": "Packagist"
},
"database_specific": {
"last_known_affected_version_range": "<= 3.10.7"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "3.9"
},
{
"fixed": "3.9.11"
}
]
}
],
"package": {
"name": "moodle/moodle",
"ecosystem": "Packagist"
},
"database_specific": {
"last_known_affected_version_range": "<= 3.9.10"
}
}
],
"modified": "2023-07-11T18:17:30Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"published": "2021-11-23T00:00:51Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3943",
"type": "ADVISORY"
},
{
"url": "https://github.com/moodle/moodle/commit/58e8ad852f9e75c8158e5bee02c273383f7d9865",
"type": "WEB"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2021963",
"type": "WEB"
},
{
"url": "https://moodle.org/mod/forum/discuss.php?d=429095",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-20"
],
"severity": "CRITICAL",
"github_reviewed": true,
"nvd_published_at": "2021-11-22T16:15:00Z",
"github_reviewed_at": "2023-07-11T18:17:30Z"
}
}