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CVE-2022-41970

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Date: December 1, 2022

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.

Language: PHP

Severity Score

Related Resources (5)

https://hackerone.com/reports/1745766
https://nvd.nist.gov/vuln/detail/CVE-2022-41970
https://github.com/nextcloud/server/pull/34788
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-9mh6-cph8-772c
https://www.mend.io/vulnerability-database/CVE-2022-41970

Severity Score

Weakness Type (CWE)

Improper Access Control

CWE-284

Incorrect Authorization

CWE-863

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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