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TI-2025-33720 Aliases CVE-2025-53828

SharePoint for ownCloud 10 is vulnerable to Server-Side Request Forgery (SSRF)

Priority LOW 39CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

SharePoint for ownCloud is an application for using SharePoint with the file storage, synchronization, and sharing application ownCloud Classic. In SharePoint for ownCloud prior to version 0.4.1, which corresponds to ownCloud 10 prior to 10.15.3, an attacker with administrative privileges can use a SSRF vulnerability in the SharePoint app to execute arbitrary code on the system. Upgrade ownCloud 10 to version 10.15.3 or later to receive SharePoint for ownCloud 0.4.1, the fixed version.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00393 33rd percentileScored 2026-11-07
Fix Fixed SharePoint (owncloud): 0.4.1ownCloud 10 (owncloud): 10.15.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ownCloudSharePointbefore 0.4.10.4.1Patch availableCNA
ownCloudownCloud 10before 10.15.310.15.3Patch availableCNA
  • SharePoint VendorownCloud Affected before 0.4.1 Fixed in 0.4.1 Patch available CNA
  • ownCloud 10 VendorownCloud Affected before 10.15.3 Fixed in 10.15.3 Patch available CNA

Remediation

  • Fix · CNA SharePoint (owncloud) Fixed in 0.4.1
  • Fix · CNA ownCloud 10 (owncloud) Fixed in 10.15.3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-53828

References

Other 1

  • TI-2023-26770 An issue was discovered in ownCloud owncloud/core before 10.13.1. KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-26768 An issue was discovered in ownCloud owncloud/graphapi 0.2.x before 0.2.1 and 0.3.x before… KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-15391 OwnCloud 8.1.8 - Username Disclosure CVSS 4.0MEDIUM 5.3
  • TI-2015-03941 Directory traversal vulnerability in the routing component in ownCloud Server before… CVSS 2.0HIGH 10.0
  • TI-2025-37176 ownCloud Guests before 0.12.5 allows unauthenticated user enumeration via the… CVSS 3.1MEDIUM 5.3
  • TI-2023-09745 ownCloud Android app vulnerable to SQL Injection CVSS 3.1MEDIUM 6.2
See all 172 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences