CVE-2023-35171

Nextcloud Server vulnerable to open redirect on "Unsupported browser" warning

CVSS 4.1 MEDIUMEPSS 0.6%CWE-601

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.1EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

23 Jun 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N

Affected products

nextcloud · security-advisories

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References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h353-vvwv-j2r4 https://github.com/nextcloud/server/pull/38194 https://hackerone.com/reports/1977222