CVE-2025-53827— ownCloud Core: Updater has an exposed dangerous method or function
Possible ATT&CK Techniques 1AI
T1068 · Exploitation for Privilege EscalationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| owncloud | ownCloud Core | < 10.15.3 | affected |
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I. Basic Information for CVE-2025-53827
Vulnerability Information
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Vulnerability Title
ownCloud Core: Updater has an exposed dangerous method or function
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
暴露危险的方法或函数
Source: CVE Program / CVE List V5
Vulnerability Title
ownCloud Core 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ownCloud ownCloud Core是德国ownCloud公司的一款企业级文件同步与共享平台。 ownCloud Core 10.15.3之前版本存在权限许可和访问控制问题漏洞，该漏洞源于暴露了危险的方法或函数，可能导致具有管理员权限的攻击者执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| owncloud | ownCloud Core | < 10.15.3 | - |
II. Public POCs for CVE-2025-53827
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCVerified env Premium
Qwen3.6-35B-A3B · 8410 chars
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III. Intelligence Information for CVE-2025-53827
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Vendor Advisories for CVE-2025-53827 (1)
Same Patch Batch · owncloud · 2026-07-06 · 5 CVEs total
| CVE-2025-53830 | 9.1 CRITICAL | Anti-Virus for ownCloud 10 is vulnerable to Server-Side Request Forgery (SSRF) |
| CVE-2025-53828 | 8.5 HIGH | SharePoint for ownCloud 10 is vulnerable to Server-Side Request Forgery (SSRF) |
| CVE-2025-53831 | 8.2 HIGH | DrawIO for ownCloud 10 is vulnerable to Stored XSS |
| CVE-2025-53829 | 8.0 HIGH | ownCloud 10 is vulnerable to Relative Path Traversal |
IV. Related Vulnerabilities
Same vendor: owncloud
- CVE-2025-53831
DrawIO for ownCloud 10 is vulnerable to Stored XSS - CVE-2025-53830
Anti-Virus for ownCloud 10 is vulnerable to Server-Side Requ - CVE-2025-53829
ownCloud 10 is vulnerable to Relative Path Traversal - CVE-2025-53828
SharePoint for ownCloud 10 is vulnerable to Server-Side Requ - CVE-2019-25337
OwnCloud 8.1.8 - Username Disclosure
Same weakness: CWE-749
V. Comments for CVE-2025-53827
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