UpHeron
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Servers and applications

CVE-2019-3848

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.)

Severity
Medium 4.3
Published
26 Mar 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
3.4.8, 3.5.5, 3.6.3
Exploit chance
0.9% in the next 30 daysHigher than 60% of CVEs. EPSS by FIRST, 10 Nov 2026
Weakness
Incorrect authorization (CWE-863)
Attack
Over the network · Needs a user account · No user action needed
Attacker can
Read some data
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Sources
NVD

Affected software

SoftwareAffected versions
MoodleServers and applications · cpe:a:moodle:moodle
  • Every version before 3.4.8
  • From 3.5.0 before 3.5.5
  • From 3.6.0 before 3.6.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-3848
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-3848