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CVE-2023-25821

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Date: February 24, 2023

Nextcloud is an Open Source private cloud software. Versions 24.0.4 and above, prior to 24.0.7, and 25.0.0 and above, prior to 25.0.1, contain Improper Access Control. Secure view for internal shares can be circumvented if reshare permissions are also given. This issue is patched in versions 24.0.7 and 25.0.1. No workaround is available.

Language: PHP

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2023-25821
https://hackerone.com/reports/1724016
https://github.com/nextcloud/server/pull/34502
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-7w6h-5qgw-4j94
https://www.mend.io/vulnerability-database/CVE-2023-25821

Severity Score

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CVSS v3.1

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

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