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CVE-2023-28999

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CVE-2023-28999

Published: Apr 4, 2023

Modified: Feb 11, 2025

PUBLISHED

CVSS v3.1

6.9

MEDIUM

Description

Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files, recover the folder structure and add new files.​ This issue is fixed in Nextcloud Desktop 3.8.0, Nextcloud Android 3.25.0, and Nextcloud iOS 4.8.0. No known workarounds are available.

VendorProductVersions

nextcloud

security-advisories

affected
>= 3.0.0, < 3.8.0
affected
>= 3.13.0, < 3.25.0
affected
>= 3.0.5, < 4.8.0

Weaknesses (CWE)

CWE-325

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

Low

References

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