Open Redirect in Nextcloud Server

CVE-2023-35171

NextCloud Server and NextCloud Enterprise Server provide file storage for Nextcloud, a self-hosted productivity platform. Starting in version 26.0.0 and prior to version 26.0.2, an attacker could supply a URL that redirects an unsuspecting victim from a legitimate domain to an attacker's site. Nextcloud Server and Nextcloud Enterprise Server 26.0.2 contain a patch for this issue. No known workarounds are available.

Vulnerability class: Open Redirect

EPSS: 0.006 (44.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-35171?
CVE-2023-35171 is a medium-severity vulnerability in Nextcloud Server, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.1/10. Published 2023-06-23.
How severe is CVE-2023-35171?
Medium severity. CVSS v3 base score is 4.1 out of 10.