CVE-2021-20184

MEDIUMCVSS 4.3/10EPSS 0.72%

Last modified

CVE-2021-20184 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. It was found in Moodle before version 3.10.1, 3.9.4 and 3.8.7 that a insufficient capability checks in some grade related web services meant students were able to view other students grades.. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

Description

It was found in Moodle before version 3.10.1, 3.9.4 and 3.8.7 that a insufficient capability checks in some grade related web services meant students were able to view other students grades.

Metrics

CVSS 3.1
4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Probability
0.72%

49.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MoodleMoodle< 3.8.7
MoodleMoodle>= 3.9.0, < 3.9.4
MoodleMoodle>= 3.10.0, < 3.10.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-20184?
It was found in Moodle before version 3.10.1, 3.9.4 and 3.8.7 that a insufficient capability checks in some grade related web services meant students were able to view other students grades.
How severe is CVE-2021-20184?
CVE-2021-20184 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.
How do I fix CVE-2021-20184?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-20184?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST