CVE-2020-8223

PoC —

CVSS 3.1

6.5 medium

EPSS

1%p72

Published

Oct 5, 2020 (Oct 5, 2020)

Modified

Jun 17, 2026

Description

A logic error in Nextcloud Server 19.0.0 caused a privilege escalation allowing malicious users to reshare with higher permissions than they got assigned themselves.

Vendors: nextcloud fedoraproject
Products: nextcloud server, fedora
Weakness: CWE-269
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (1.5%)

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