Vulnerability in Nextcloud Server

CVE-2019-15623

Exposure of Private Information in Nextcloud Server 16.0.1 causes the server to send it's domain and user IDs to the Nextcloud Lookup Server without any further data when the Lookup server is disabled.

EPSS: 0.019 (77.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-15623?
CVE-2019-15623 is a medium-severity vulnerability in Nextcloud Server, classified under Exposure of Private Personal Information to an Unauthorized Actor. CVSS score: 5.3/10. Published 2020-02-04.
How severe is CVE-2019-15623?
Medium severity. CVSS v3 base score is 5.3 out of 10.