VULNERABILITY INTELLIGENCE

CVE-2017-0894

CVSS score4.3 MEDIUM

EPSS probability1.17%

CISA KEVNot currently listed

Published2017-05-08

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

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.

Weakness classification

CWE-285: Improper Authorization
CWE-863: Incorrect Authorization

Primary references

support@hackerone.com — Third Party Advisory
support@hackerone.com — Broken Link, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Patch, Vendor Advisory