CVE-2022-41970 json
Nextcloud Server's disabled download shares still allow download through preview images
published 2022-12-01 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-45074
- cvss
- 2.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 2.6 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected products
- nextcloud security-advisories
Classification
References
-
github.com
/nextcloud/server/pull/34788
patch, third-party-advisory
-
github.com
/nextcloud/security-advisories/security/advisories/GHSA-9mh6-cph8-772c
third-party-advisory
-
hackerone.com
/reports/1745766
permissions-required, third-party-advisory
Sources
- CVE List CVE-2022-41970
- NVD CVE-2022-41970
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