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CVE-2020-8223

CVE-2020-8223

EPSS 1.5%CWE-269
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.
Affected products
n/a · Nextcloud Server

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References
https://hackerone.com/reports/889243https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7FX3O6SJE2S52I2HAA4DSTUIISP5BNA/https://nextcloud.com/security/advisory/?id=NC-SA-2020-029