CVE-2023-48303

Nextcloud Server admins can change authentication details of user configured external storage

CVSS 2.4 LOWEPSS 0.7%CWE-284

Vexday Risk Score

8Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 2.4EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

21 Nov 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Server and Nextcloud Enterprise Server, admins can change authentication details of user configured external storage. Nextcloud Server and Nextcloud Enterprise Server versions 25.0.11, 26.0.6, and 27.1.0 contain a patch for this issue. No known workarounds are available.

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

Affected products

nextcloud · security-advisories

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References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2448-44rp-c7hh https://github.com/nextcloud/server/pull/39895 https://hackerone.com/reports/2107934