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Vulnerabilities

Vulnerability · CVE-2025-47793

Nextcloud Server is a self hosted personal cloud system, and the Nextcloud Groupfolders app provides admin-configured folders shared by everyone in a group or team.

Published May 16, 2025 · catalog updated May 16, 2025 · Nextcloud Server is a

Check this week

CVE-2025-47793 is not in CISA KEV. FIRST estimates a 82.00% chance of exploitation in the next 30 days. Check whether you run Nextcloud Server is a.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Nextcloud Server is a).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
82.00%
Remediation
Version ranges on file
Affected products
vendor nextcloud security-advisories 29.0.0, < 29.0.9

Nextcloud Server is a self hosted personal cloud system, and the Nextcloud Groupfolders app provides admin-configured folders shared by everyone in a group or team. In Nextcloud Server prior to 30.0.2, 29.0.9, and 28.0.1, Nextcloud Enterprise Server prior to 30.0.2 and 29.0.9, and Nextcloud Groupfolders app prior to 18.0.3, 17.0.5, and 16.0.11, the absence of quota checking on attachments allowed logged-in users to upload files exceeding the group folder quota. Nextcloud Server versions 30.0.2 and 29.0.9, Nextcloud Enterprise Server versions 30.0.2, 29.0.9, or 28.0.12, and Nextcloud Groupfolde

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor nextcloud security-advisories 29.0.0, < 29.0.929.0.0, < 29.0.9

How to fix CVE-2025-47793

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-47793 is not in CISA KEV. FIRST estimates a 82.00% chance of exploitation in the next 30 days. Check whether you run Nextcloud Server is a.

Which versions are affected?

Compare what you have installed with nextcloud security-advisories 29.0.0, < 29.0.9 29.0.0, < 29.0.9. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 82.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. May 16, 2025 · EUVD

    Detected

    Nextcloud Server is a self hosted personal cloud system, and the Nextcloud Groupfolders app provides admin-configured folders shared by everyone in a group or team. In Nextcloud Server prior to 30.0.2, 29.0.9, and 28.0.1, Nextcloud Enterprise Server prior to 30.0.2 and 29.0.9, and Nextcloud Groupfolders app prior to 18.0.3, 17.0.5, and 16.0.11, the absence of quota checking on attachments allowed

  2. May 16, 2025 · EUVD

    Updated

    Nextcloud Server is a self hosted personal cloud system, and the Nextcloud Groupfolders app provides admin-configured folders shared by everyone in a group or team. In Nextcloud Server prior to 30.0.2, 29.0.9, and 28.0.1, Nextcloud Enterprise Server prior to 30.0.2 and 29.0.9, and Nextcloud Groupfolders app prior to 18.0.3, 17.0.5, and 16.0.11, the absence of quota checking on attachments allowed

Sources

  • CVE.orgVulnerability recordCVE-2025-47793

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-15456

    Nextcloud Server is a self hosted personal cloud system, and the Nextcloud Groupfolders app provides admin-configured folders shared by everyone in a group or team. In Nextcloud Server prior to 30.0.2, 29.0.9, and 28.0.1, Nextcloud Enterprise Server prior to 30.0.2 and 29.0.9, an

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog May 16, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.