Medium severity · published Mar 15, 2021
CVE-2021-20283
The web service responsible for fetching other users' enrolled courses did not validate that the requesting user had permission to view that information in each course in moodle…
4.3
CVSS
1.1%
EPSS
No
On KEV
Description
The web service responsible for fetching other users' enrolled courses did not validate that the requesting user had permission to view that information in each course 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:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% 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-2021-20283
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20283
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1939051
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=419654
More from Fedora
10.0
CVE-2021-44228
Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints
10.0
CVE-2015-3306
ProFTPD Improper Access Control Vulnerability
9.8
CVE-2024-4577
Argument Injection in PHP-CGI
9.8
CVE-2021-44026
Roundcube Webmail SQL Injection Vulnerability
9.8
CVE-2021-42013
Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773)