CVE-2018-16466

moderate-risk

Published 2018-10-30

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.

Do I need to act?

0.13% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 8.1/10 High

NETWORK / LOW complexity

Affected Products (7)

Nextcloud Server

Affected Vendors

Nextcloud

References (4)

Third Party Advisory https://hackerone.com/reports/388515

Vendor Advisory https://nextcloud.com/security/advisory/?id=NC-SA-2018-010

Third Party Advisory https://hackerone.com/reports/388515

Vendor Advisory https://nextcloud.com/security/advisory/?id=NC-SA-2018-010

/ 100

moderate-risk

Severity 28/34 · Critical

Exploitability 1/34 · Minimal

Exposure 14/34 · Moderate