CVE-2019-3848

Name: CVE-2019-3848
Creator: NVD / NIST
Published: 2019-03-26T18:29:00.733+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.94%

Last modified Jun 17, 2026

CVE-2019-3848 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. A vulnerability was found in moodle before versions 3.6.3, 3.5.5 and 3.4.8. Permissions were not correctly checked before loading event information into the calendar's edit event modal popup, so logged in non-guest users could view unauthorised calendar events. EPSS estimates a 0.94% chance of exploitation in the next 30 days.

Description

A vulnerability was found in moodle before versions 3.6.3, 3.5.5 and 3.4.8. Permissions were not correctly checked before loading event information into the calendar's edit event modal popup, so logged in non-guest users could view unauthorised calendar events. (Note: It was read-only access, users could not edit the events.)

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

0.94%

56.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Moodle	Moodle	< 3.4.8
Moodle	Moodle	>= 3.5.0, < 3.5.5
Moodle	Moodle	>= 3.6.0, < 3.6.3

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3848Issue Tracking, Patch, Third Party Advisory
https://moodle.org/mod/forum/discuss.php?d=384011#p1547743Patch, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3848Issue Tracking, Patch, Third Party Advisory
https://moodle.org/mod/forum/discuss.php?d=384011#p1547743Patch, Vendor Advisory

Timeline

Published: Mar 26, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-3848?

How severe is CVE-2019-3848?

CVE-2019-3848 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.

How do I fix CVE-2019-3848?

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-2019-3848?

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

Scan your code now

Source: NVD / NIST