Medium severity · published Mar 15, 2021
CVE-2021-20281
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
5.3
CVSS
1.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
32; 34 · source: NVD
MO
Moodle · Moodle
3.5.0 before 3.5.17; 3.8.0 before 3.8.8; 3.9.0 before 3.9.5; 3.10.0 before 3.10.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20281
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20281
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1939041
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT/
Patch
https://moodle.org/mod/forum/discuss.php?d=419652
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