CVE-2021-22879: High severity nextcloud desktop client vulnerability

Published Apr 14, 2021
·
Updated

Nextcloud Desktop Client prior to 3.1.3 is vulnerable to resource injection by way of missing validation of URLs, allowing a malicious server to execute remote commands. User interaction is needed for exploitation.

Affected Software

2 affected components
Nextcloud Desktop<3.1.3
Fedoraproject Fedora=33

Event History

Apr 14, 2021
CVE Published
via MITRE·12:41 PM
Data Sourced
via MITRE·12:41 PM
DescriptionWeakness
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Frequently Asked Questions

1

What is CVE-2021-22879?

CVE-2021-22879 is a vulnerability in the Nextcloud Desktop Client prior to version 3.1.3 that allows a malicious server to execute remote commands by exploiting missing validation of URLs.

2

How does CVE-2021-22879 impact users?

CVE-2021-22879 can be exploited by a malicious server to execute remote commands on the affected Nextcloud Desktop Client, potentially leading to unauthorized access or data manipulation.

3

What is the severity of CVE-2021-22879?

CVE-2021-22879 has a severity rating of 8.8 (High) according to the CVSS (Common Vulnerability Scoring System).

4

Which software versions are affected by CVE-2021-22879?

Nextcloud Desktop Client versions up to exclusive version 3.1.3 are affected by CVE-2021-22879.

5

How can CVE-2021-22879 be fixed?

To fix CVE-2021-22879, users should update their Nextcloud Desktop Client to version 3.1.3 or later, which includes the necessary validation of URLs to prevent resource injection.

Contact

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