Vulnerability in Nextcloud Server

CVE-2018-3762

Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to.

EPSS: 0.009 (55.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-3762?
CVE-2018-3762 is a medium-severity vulnerability in Nextcloud Server, classified under Improper Access Control. CVSS score: 4.3/10. Published 2018-07-05.
How severe is CVE-2018-3762?
Medium severity. CVSS v3 base score is 4.3 out of 10.