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CVE-2025-47792

Nextcloud Desktop 3rdparty applications can create share links via socket API

Published: May 16, 2025Updated: Sep 8, 2025 Sources: CVE List NVD BDUCWE-284
NVD MITRE
5.0CVSSMEDIUM
EPSS Score
0.2%
Top 94.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Nextcloud Desktop is the desktop sync client for Nextcloud. In versions of Nextcloud Desktop prior to 3.15, 3rdparty applications already installed on a user machine can create link shares for almost all data via the socket API. These shares can then be easily sent off to an external service. Nextcloud Desktop fixes the issue in version 3.15. No known workarounds are available.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:RS:UC:HI:LA:N
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-284CWE-862

Affected Products

security-advisoriesnextcloud
SaaSSaaS Service
Cloud & SaaS / saas-application
desktopnextcloud
On-premDesktop App
Cloud & SaaS / saas-application
Nextcloud DesktopNextcloud GmbH
SaaS
Cloud & SaaS / saas-application
nextcloudoss-projectDECloud & SaaSaka nextcloud server
nextcloud gmbhcommercialDECloud & SaaSaka nextcloud server, nextcloud enterprise server, nextcloud calendar

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qm2f-959g-7p65
github.com
https://github.com/nextcloud/desktop/pull/7517
github.com
https://hackerone.com/reports/1995856
hackerone.com

Timeline

Published
May 16, 2025
Last Updated
Sep 8, 2025

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