Vulnerability Details : CVE-2021-43559
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. The "delete related badge" functionality did not include the necessary token check to prevent a CSRF risk.
Vulnerability category: Cross-site request forgery (CSRF)
Products affected by CVE-2021-43559
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-43559
0.19%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-43559
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2021-43559
-
The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.Assigned by:
- nvd@nist.gov (Primary)
- patrick@puiterwijk.org (Secondary)
References for CVE-2021-43559
-
https://bugzilla.redhat.com/show_bug.cgi?id=2021517
2021517 – (CVE-2021-43559, MSA-21-0041) CVE-2021-43559 moodle: CSRF risk on delete related badge featureIssue Tracking;Third Party Advisory
-
https://moodle.org/mod/forum/discuss.php?d=429099
Moodle.org: MSA-21-0041: CSRF risk on delete related badge featurePatch;Vendor Advisory
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