#VU57648 Authorization bypass through user-controlled key in Deck - CVE-2021-39225
Published: October 26, 2021
Vulnerability identifier: #VU57648
Vulnerability risk: Medium
CVSSv4.0: 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
Vulnerable software:
Deck
Deck
Software vendor:
Nextcloud
Nextcloud
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.
Remediation
Install updates from vendor's website.