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Nextcloud Server < 15.0.14, < 16.0.7, < 17.0.2 File Mimetypes Vulnerability (NC-SA-2020-002)
Information
Severity
Severity
Medium
Family
Family
Web application abuses
CVSSv2 Base
CVSSv2 Base
4.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:S/C:N/I:P/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
4 years ago
Modified
Modified
4 years ago
Summary
Nextcloud Server is relying on the extension of externally-supplied files.
Insight
Insight
A bug causes the workflow rules to depend their behaviour on the file extension when checking file mimetypes.
Affected Software
Affected Software
Nextcloud server versions prior 15.0.14, prior 16.0.7 and prior 17.0.2.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 15.0.14, 16.0.7, 17.0.2 or later.