CVE-2020-8223 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.0027.

Key SSVC decision points have not yet been added.

Vendors	Products
Fedoraproject	Fedora
Nextcloud	Nextcloud Server

Configuration 1 [-]

cpe:2.3:a:nextcloud:nextcloud_server:19.0.0:-:*:*:*:*:*:*

Configuration 2 [-]

OR	cpe:2.3:o:fedoraproject:fedora:32:::::::*
	cpe:2.3:o:fedoraproject:fedora:33:::::::*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2020-29096	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.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://hackerone.com/reports/889243
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

History

No history.

MITRE

Status: PUBLISHED

Assigner: hackerone

Published: 2020-10-05T13:16:48

Updated: 2024-08-04T09:56:27.895Z

Reserved: 2020-01-28T00:00:00

Link: CVE-2020-8223

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-10-05T14:15:13.623

Modified: 2024-11-21T05:38:32.147

Link: CVE-2020-8223

Redhat

No data.

OpenCVE Enrichment

No data.

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