Medium severity · published Nov 22, 2021
CVE-2021-43560
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
5.3
CVSS
1.1%
EPSS
No
On KEV
Description
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. Insufficient capability checks made it possible to fetch other users' calendar action events.
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)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EP
Extra Packages For Enterprise Linux · Fedoraproject
7.0 · source: NVD
FE
Fedora · Fedoraproject
35 · source: NVD
MO
Moodle · Moodle
through 3.8.8; 3.9.0 before 3.9.11; 3.10.0 before 3.10.8; 3.11.0 before 3.11.4 · source: NVD
Affected product
EP
Extra Packages For Enterprise Linux
Fedoraproject
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-43560
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-43560
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2021519
Patch
https://moodle.org/mod/forum/discuss.php?d=429100
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