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Status published
Low
CVE-2022-41970
Nextcloud Server's disabled download shares still allow download through preview images
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
nextcloud
View all reports →Affected Software
security-advisories
Vulnerable Versions:
< 24.0.7, >= 25.0.0, < 25.0.1
Timeline
Official Publish:
December 1st, 2022
Last Modified:
April 23rd, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
MITRE ATT&CK TTPs
T1190
Exploit Public-Facing Application
Initial Access
T1068
Exploitation for Privilege Escalation
Privilege Escalation
T1078
Valid Accounts
Persistence
T1213
Data from Information Repositories
Collection
T1565.002
Stored Data Manipulation
Impact
T1548
Abuse Elevation Control Mechanism
Privilege Escalation
T1021
Remote Services
Lateral Movement
T1098
Account Manipulation
Defense Evasion