CVE-2025-53827 — CRITICAL (9.1)

Vulnerability Description

ownCloud Core is the server-side component of the file storage, synchronization, and sharing application ownCloud Classic. In versions prior to 10.15.3, the Updater on ownCloud 10 before 10.15.3 has an exposed dangerous method or function. Attackers with administrative privileges may leverage functionality to execute arbitrary code. This issue has been fixed in version 10.15.3.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-749

References

https://github.com/owncloud/security-advisories/security/advisories/GHSA-hvcx-ph

FAQ

What is CVE-2025-53827?

CVE-2025-53827 is a vulnerability with a CVSS score of 9.1 (CRITICAL). ownCloud Core is the server-side component of the file storage, synchronization, and sharing application ownCloud Classic. In versions prior to 10.15.3, the Updater on ownCloud 10 before 10.15.3 has a...

How severe is CVE-2025-53827?

CVE-2025-53827 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-53827?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.