CVE-2022-41970

Nextcloud Server's disabled download shares still allow download through preview images

CVSS 2.6 LOWEPSS 0.6%CWE-284 CWE-863

Vexday Risk Score

8Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 2.6EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

01 Dec 2022Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Nextcloud Server is an open source personal cloud server. Prior to versions 24.0.7 and 25.0.1, disabled download shares still allow download through preview images. Images could be downloaded and previews of documents (first page) can be downloaded without being watermarked. Versions 24.0.7 and 25.0.1 contain a fix for this issue. No known workarounds are available.

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/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-9mh6-cph8-772c https://github.com/nextcloud/server/pull/34788 https://hackerone.com/reports/1745766