Vulnerability CVE-2018-16466
Published: 2018-10-30

Description:
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.

Type:

CWE-273

 (Improper Check for Dropped Privileges)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.5/10
4.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Nextcloud -> Nextcloud server 

 References:
https://hackerone.com/reports/388515
https://nextcloud.com/security/advisory/?id=NC-SA-2018-010
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