#Share tokens for public calendars disclosed (NC-SA-2017-011)
Risk level: Medium**CVSS v3 Base Score:**4.3 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)CWE: Information Exposure Through Directory Listing (CWE-548)
#Description
A logical error caused disclosure of valid share tokens for public calendars. Thus granting an attacker potentially access to publicly shared calendars without knowing the share token.
#Affected Software
#Action Taken
The error has been fixed and regression tests been added.
#Acknowledgements
The Nextcloud team thanks the following people for their research and responsible disclosure of the above advisory: