Nextcloud Server before 11.0.3 is vulnerable to disclosure of valid share tokens for public calendars due to a logical error. Thus granting an attacker potentially access to publicly shared calendars without knowing the share token.
https://nextcloud.com/security/advisory/?id=nc-sa-2017-011
https://hackerone.com/reports/218876
Source: Mitre, NVD
Published: 2017-05-08
Updated: 2022-09-27
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N
Severity: Medium
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N