CVE-2020-8223
- Source
- https://cve.org/CVERecord?id=CVE-2020-8223
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8223.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2020-8223
- Published
- 2020-10-05T14:15:13Z
- Modified
- 2026-10-24T10:31:00Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N CVSS Calculator
- Summary
- [none]
- Details
-
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.
- Database specific
{ "unresolved_ranges": [ { "cpes": [ "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*" ], "extracted_events": [ { "range": [ { "introduced": "32" }, { "last_affected": "32" }, { "introduced": "33" }, { "last_affected": "33" } ], "source": "CPE_STRING" } ], "vendor_product": "fedoraproject:fedora" } ] }- References
-
- https://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
- https://hackerone.com/reports/889243
Affected packages
Git / github.com/nextcloud/server
Affected ranges
- Type
- GIT
- Repo
- https://github.com/nextcloud/server
- Events
-
IntroducedLast Affected
- Database specific
-
Show details
{ "extracted_events": [ { "cpe": "cpe:2.3:a:nextcloud:nextcloud_server:19.0.0:-:*:*:*:*:*:*", "range": [ { "introduced": "19.0.0-NA" }, { "last_affected": "19.0.0-NA" } ], "source": "CPE_STRING" } ] }