Information disclosure in Moodle - CVE-2020-25703
Published: November 16, 2020
Vulnerability identifier: #VU48445
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-25703
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to the participants table download always included user emails, even those that are marked as hidden. A remote user can download the table and gain access to all users' email addresses.
Affected software
Moodle
Fedora
moodle
Fedora
moodle
How to mitigate CVE-2020-25703
Install updates from vendor's website.
Moodle - addressed in versions 3.7.9, 3.8.6, 3.9.3, 3.10.0
moodle - addressed in versions 3.8.6-1.fc32, 3.9.3-1.fc33
moodle - addressed in versions 3.8.6-1.fc32, 3.9.3-1.fc33