Medium severity · published Dec 1, 2022
CVE-2022-41970
Nextcloud Server is an open source personal cloud server
5.3
CVSS
0.6%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NS
Nextcloud Server · Nextcloud
24.0.0 before 24.0.7; 24.0.0 before 24.0.7; 25.0.0; 25.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-41970
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-41970
Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-9mh6-cph8-772c
Patch
https://github.com/nextcloud/server/pull/34788
Permissions Required
https://hackerone.com/reports/1745766
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