Medium severity6.5NVD Advisory· Published Oct 5, 2020· Updated Jun 17, 2026

CVE-2020-8223

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Nextcloud/Server
cpe:2.3:a:nextcloud:nextcloud_server:19.0.0:-:*:*:*:*:*:*
Fedoraproject/Fedora2 versions
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Nextcloud/Nextcloudllm-fuzzy2 versions
=19.0.0+ 1 more
- (no CPE)range: =19.0.0
- (no CPE)range: Fixed in 19.0.1
Nextcloud/Nextcloud Enterprise Serverllm-fuzzy
Range: =19.0.0

Patches

Vulnerability mechanics

References

hackerone.com/reports/889243nvdExploitThird Party Advisory
nextcloud.com/security/advisory/nvdVendor Advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/nvd
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7FX3O6SJE2S52I2HAA4DSTUIISP5BNA/nvd

News mentions

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cvss	0.423
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000