
CVE catalog
CVE-2023-5539
UBUNTU-
A remote code execution risk was identified in the Lesson activity. By default this was only available to teachers and managers.
- Severity
- Medium · CVSS 4.7
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 2.19% · Oct 27, 2026
Reported versions and fixes
Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.
Version impact has not been established. The original provider fields are retained below.
Provider details and historical evidence
Original provider fields
{
"package_releases": [],
"fixed_versions": [],
"distribution_packages": [
{
"name": "moodle",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"release": "pro",
"versions": [
"2.7.9+dfsg-1",
"2.7.10+dfsg-1",
"2.7.11+dfsg-1",
"2.7.11+dfsg-2",
"2.7.12+dfsg-1",
"3.0.3+dfsg-0ubuntu1",
"3.0.3+dfsg-0ubuntu1+esm1"
],
"ecosystem": "deb",
"fixed_version": "",
"provider_record_id": "UBUNTU-CVE-2023-5539"
},
{
"name": "moodle",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"release": "pro",
"versions": [
"3.0.3+dfsg-0ubuntu1",
"3.0.3+dfsg-0ubuntu1+esm1"
],
"ecosystem": "deb",
"fixed_version": "",
"provider_record_id": "UBUNTU-CVE-2023-5539"
}
]
}OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
Observed: