What is CVE-2018-16466?

CVE-2018-16466 is a high-severity vulnerability in Nextcloud Nextcloud_server, classified under Improper Access Control. CVSS score: 8.1/10. Published 2018-10-30.

How severe is CVE-2018-16466?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Nextcloud Nextcloud_server

CVE-2018-16466

Improper revalidation of permissions in Nextcloud Server prior to 14.0.0, 13.0.6 and 12.0.11 lead to not accepting access restrictions by acess tokens.

EPSS: 0.010 (57.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Nextcloud Nextcloud_server — versions 14.0.0
N/a Nextcloud Server — versions <14.0.0, <13.0.6, <12.0.11

Weakness classification (CWE)

CWE-284 — Improper Access Control
CWE-273 — Improper Check for Dropped Privileges

References

support@hackerone.com (Third Party Advisory, x_refsource_MISC)
support@hackerone.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2018-16466?: CVE-2018-16466 is a high-severity vulnerability in Nextcloud Nextcloud_server, classified under Improper Access Control. CVSS score: 8.1/10. Published 2018-10-30.
How severe is CVE-2018-16466?: High severity. CVSS v3 base score is 8.1 out of 10.