Is CVE-2023-28999 actively exploited?

CVE-2023-28999 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2023-28999?

CVE-2023-28999 has a CVSS score of 6.9 (MEDIUM severity). Vector: CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L.

How do I patch CVE-2023-28999?

Patch guidance is available from nextcloud security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-28999.

CVE-2023-28999 - remediation guidance & executive summary

Q: Which products are affected by CVE-2023-28999?

3 products: nextcloud desktop, nextcloud nextcloud, nextcloud nextcloud.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L
Attack Vector: physical
Complexity: low
Privileges: high
User Action: required
Scope: changed
Confidentiality: high
Integrity: high
Availability: low
Weaknesses: CWE-325 CWE-311

Metadata

Primary Vendor: NEXTCLOUD
Published: 4/4/2023
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2023-28999

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary