CVE-2021-22879 Information

Description

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.

CVSS Vector

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

Reference

https://nextcloud.com/security/advisory/?id=NC-SA-2021-008 https://hackerone.com/reports/1078002 https://github.com/nextcloud/desktop/pull/2906 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MTWBJAS5DJJIK7LLVBZZQTSJASUVIRVE/ https://security.gentoo.org/glsa/202105-37

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8