3.3
CVE-2025-66546
- EPSS 0.01%
- Veröffentlicht 05.12.2025 16:49:46
- Zuletzt bearbeitet 09.12.2025 16:36:01
- Quelle security-advisories@github.com
- CVE-Watchlists
- Unerledigt
Nextcloud Calendar app allowed booking appointments without the generated token
Calendar app allowed booking appointments without the generated token
Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.19, 5.5.6, and 6.0.1, the calendar app allowed blindly booking appointments with a squential ID without known the appointment token. This vulnerability is fixed in 4.7.19, 5.5.6, and 6.0.1.
Mögliche Gegenmaßnahme
Calendar: * No workaround available
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
VulnDex Vulnerability Enrichment
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SystemNextcloud App
≫
Produkt
Calendar
Version
>= 4.0.0, < 4.7.19
Version
>= 5.0.0, < 5.5.6
Version
>= 6.0.0, < 6.0.1
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.01% | 0.009 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| security-advisories@github.com | 3.3 | 1.8 | 1.4 |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
|
CWE-639 Authorization Bypass Through User-Controlled Key
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.