Authorization bypass through user-controlled key in Nextcloud Server - CVE-2020-8154

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Main Vulnerability Database Vulnerabilities #VU27957

Authorization bypass through user-controlled key in Nextcloud Server - CVE-2020-8154

Published: May 18, 2020


Vulnerability identifier: #VU27957
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-8154
CWE-ID:
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Nextcloud Server
Software vendor:
Nextcloud

Description

The vulnerability allows a remote attacker to wipe devices of other users.

The vulnerability exists due to insecure direct object reference in Nextcloud Server. A remote attacker can send specially crafted request directory to the affected endpoint and remotely wipe devices of other users.


Remediation

Install updates from vendor's website.

External links