Description
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.
References (2)
Core 2
Core References
Broken Link, Patch, Vendor Advisory x_refsource_confirm
https://nextcloud.com/security/advisory/?id=nc-sa-2017-011
Third Party Advisory x_refsource_misc
https://hackerone.com/reports/218876
Scores
CVSS v3
4.3
EPSS
0.0079
EPSS Percentile
74.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Details
CWE
CWE-285
CWE-863
Status
published
Products (2)
Nextcloud/Nextcloud Server
before 11.0.3
nextcloud/nextcloud_server
< 11.0.3
Published
May 08, 2017
Tracked Since
Feb 18, 2026