ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2025-47790

Nextcloud Server is a self hosted personal cloud system.

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

Check this week

CVE-2025-47790 is not in CISA KEV. FIRST estimates a 39.00% 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
Medium6.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
39.00%
Remediation
Version ranges on file
Affected products
vendor nextcloud security-advisories 27.0.0, < 27.1.11.15

Nextcloud Server is a self hosted personal cloud system. Nextcloud Server prior to 29.0.15, 30.0.9, and 31.0.3 and Nextcloud Enterprise Server prior to 26.0.13.15, 27.1.11.15, 28.0.14.6, 29.0.15, 30.0.9, and 31.0.3 have a bug with session handling. The bug caused skipping the second factor confirmation after a successful login with the username and password when the server was configured with set to , once the session expired on the page to select the second factor and the page is reloaded. Nextcloud Server 29.0.15, 30.0.9, and 31.0.3 and Nextcloud Enterprise Server is upgraded to 26.0.13.15,

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 27.0.0, < 27.1.11.1527.0.0, < 27.1.11.15

How to fix CVE-2025-47790

What to do

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

Should you patch?

CVE-2025-47790 is not in CISA KEV. FIRST estimates a 39.00% 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 27.0.0, < 27.1.11.15 27.0.0, < 27.1.11.15. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 39.00%. 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. Nextcloud Server prior to 29.0.15, 30.0.9, and 31.0.3 and Nextcloud Enterprise Server prior to 26.0.13.15, 27.1.11.15, 28.0.14.6, 29.0.15, 30.0.9, and 31.0.3 have a bug with session handling. The bug caused skipping the second factor confirmation after a successful login with the username and password when the server was configured with set

  2. May 16, 2025 · EUVD

    Updated

    Nextcloud Server is a self hosted personal cloud system. Nextcloud Server prior to 29.0.15, 30.0.9, and 31.0.3 and Nextcloud Enterprise Server prior to 26.0.13.15, 27.1.11.15, 28.0.14.6, 29.0.15, 30.0.9, and 31.0.3 have a bug with session handling. The bug caused skipping the second factor confirmation after a successful login with the username and password when the server was configured with set

Sources

  • CVE.orgVulnerability recordCVE-2025-47790

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-15452

    Nextcloud Server is a self hosted personal cloud system. Nextcloud Server prior to 29.0.15, 30.0.9, and 31.0.3 and Nextcloud Enterprise Server prior to 26.0.13.15, 27.1.11.15, 28.0.14.6, 29.0.15, 30.0.9, and 31.0.3 have a bug with session handling. The bug caused skipping the sec

    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.