5.7
CVE-2025-66550
- EPSS 0.03%
- Veröffentlicht 05.12.2025 16:56:44
- Zuletzt bearbeitet 08.12.2025 18:26:49
- Quelle security-advisories@github.com
- CVE-Watchlists
- Unerledigt
Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.17 and 5.2.4, when a malicious user creates a calendar event with a crafted attachment that links to a download link of a file on the same Nextcloud server, the file would be downloaded without the user confirming the action. This vulnerability is fixed in 4.7.17 and 5.2.4.
Verknüpft mit AI von unstrukturierten Daten zu bestehenden CPE der NVD
Diese Information steht angemeldeten Benutzern zur Verfügung. 
Login
LoginDaten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
Herstellernextcloud
≫
Produkt
security-advisories
Version
>= 5.0.0-rc.1, < 5.2.4
Status
affected
Version
< 4.7.17
Status
affected
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.03% | 0.073 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| security-advisories@github.com | 5.7 | 2.1 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
|
CWE-241 Improper Handling of Unexpected Data Type
The product does not handle or incorrectly handles when a particular element is not the expected type, e.g. it expects a digit (0-9) but is provided with a letter (A-Z).