PT-2021-15251

CVE-2021-22879

Published

2021-04-14

Updated

2023-08-30

Description by

CVSS 3.1

8.8

High

MetricsAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Nextcloud Desktop Client versions prior to 3.1.3

Description The issue is related to resource injection due to missing validation of URLs, allowing a malicious server to execute remote commands. User interaction is needed for exploitation.

Recommendations For Nextcloud Desktop Client versions prior to 3.1.3, update to version 3.1.3 or later to resolve the issue. As a temporary workaround, consider restricting access to untrusted servers to minimize the risk of exploitation.

Exploitability

Exploit

Fix

Impacts

Researchers

7A69

Fabian Bräunlein

Vendors

Affected products

Weakness enumeration

CWE-99: Improper Control of Resource Identifiers (\'Resource Injection\')

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component (\'Injection\')