CVE-2025-53827: CWE-749: Exposed Dangerous Method or Function in owncloud ownCloud Core
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.
AI Analysis
Technical Summary
CVE-2025-53827 is a critical vulnerability in ownCloud Core's Updater component affecting versions before 10.15.3. The issue involves an exposed dangerous method or function that can be leveraged by attackers who already have administrative privileges to execute arbitrary code on the server. The vulnerability is classified under CWE-749 (Exposed Dangerous Method or Function). The flaw has been addressed and fixed in ownCloud Core version 10.15.3.
Potential Impact
An attacker with administrative privileges can exploit this vulnerability to execute arbitrary code, potentially leading to full compromise of the affected ownCloud Core server. The CVSS 3.1 base score is 9.1 (critical), reflecting high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Upgrade ownCloud Core to version 10.15.3 or later, where this vulnerability has been fixed. No other mitigation or temporary workaround is indicated. Users should apply this official fix promptly to prevent exploitation.
CVE-2025-53827: CWE-749: Exposed Dangerous Method or Function in owncloud ownCloud Core
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 v3.1
Score 9.1critical
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-53827 is a critical vulnerability in ownCloud Core's Updater component affecting versions before 10.15.3. The issue involves an exposed dangerous method or function that can be leveraged by attackers who already have administrative privileges to execute arbitrary code on the server. The vulnerability is classified under CWE-749 (Exposed Dangerous Method or Function). The flaw has been addressed and fixed in ownCloud Core version 10.15.3.
Potential Impact
An attacker with administrative privileges can exploit this vulnerability to execute arbitrary code, potentially leading to full compromise of the affected ownCloud Core server. The CVSS 3.1 base score is 9.1 (critical), reflecting high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Upgrade ownCloud Core to version 10.15.3 or later, where this vulnerability has been fixed. No other mitigation or temporary workaround is indicated. Users should apply this official fix promptly to prevent exploitation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2025-07-09T14:14:52.530Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a4bcbb327e9c79719c0ceb3
Added to database: 07/06/2026, 15:37:23 UTC
Last enriched: 07/06/2026, 15:52:06 UTC
Last updated: 07/06/2026, 21:25:04 UTC
Views: 5
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