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Test ID:
Category:Web application abuses
Title:Nextcloud Server < 17.0.8, 18.x < 18.0.7, 19.0.0 Privilege Escalation Vulnerability (NC-SA-2020-029)
Summary:Nextcloud Server is prone to a privilege escalation vulnerability.
Nextcloud Server is prone to a privilege escalation vulnerability.

Vulnerability Insight:
A logic error in Nextcloud Server causes a privilege escalation allowing
malicious users to reshare with higher permissions than they got assigned themselves.

Affected Software/OS:
Nextcloud server versions prior 17.0.8, 18.x prior to 18.0.7 and 19.0.0.

Update to version 17.0.8, 18.0.7, 19.0.1 or later.

CVSS Score:

CVSS Vector:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-8223
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