Medium severity5.3NVD Advisory· Published Mar 15, 2021· Updated Jun 17, 2026
CVE-2021-20281
CVE-2021-20281
Description
It was possible for some users without permission to view other users' full names to do so via the online users block in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
moodle/moodlePackagist | >= 3.10.0, < 3.10.2 | 3.10.2 |
moodle/moodlePackagist | >= 3.9.0, < 3.9.5 | 3.9.5 |
moodle/moodlePackagist | >= 3.8.0, < 3.8.8 | 3.8.8 |
moodle/moodlePackagist | >= 3.5, < 3.5.17 | 3.5.17 |
Affected products
6cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- moodle/moodledescription
- osv-coords2 versions
>= 3.5.0, < 3.5.17+ 1 more
- (no CPE)range: >= 3.5.0, < 3.5.17
- (no CPE)range: >= 3.10.0, < 3.10.2
Patches
Vulnerability mechanics
References
9- moodle.org/mod/forum/discuss.phpnvdPatchVendor AdvisoryWEB
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party AdvisoryWEB
- github.com/advisories/GHSA-93wh-35r4-6qmwghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-20281ghsaADVISORY
- github.com/moodle/moodle/commit/33d6017287e1835513a3de8edd3fbf7a6a90af9cghsaWEB
- lists.fedoraproject.org/archives/list/[email protected]/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MSghsaWEB
- lists.fedoraproject.org/archives/list/[email protected]/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMTghsaWEB
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT/nvd
News mentions
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