Main Vulnerability Database Vulnerabilities #VU57648

Authorization bypass through user-controlled key in Deck - CVE-2021-39225

Published: October 26, 2021

Vulnerability identifier: #VU57648

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2021-39225

CWE-ID: CWE-639

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Nextcloud

Affected software:
Deck

Detailed vulnerability description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to a missing permission check. A remote authenticated attacker can access Deck cards of another user.

Install updates from vendor's website.