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Vulnerability of Nextcloud Server: privilege escalation via Reshare

Synthesis of the vulnerability 

An attacker can bypass restrictions via Reshare of Nextcloud Server, in order to escalate his privileges.
Impacted products: openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity of this bulletin: 2/4.
Creation date: 12/10/2020.
Références of this threat: CVE-2020-8223, NC-SA-2020-029, openSUSE-SU-2020:1652-1, VIGILANCE-VUL-33537.

Description of the vulnerability 

An attacker can bypass restrictions via Reshare of Nextcloud Server, in order to...
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This threat note impacts software or systems such as openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this cybersecurity note is medium.

The trust level is of type confirmed by the editor, with an origin of user account.

An attacker with a expert ability can exploit this vulnerability note.

Solutions for this threat 

Patches for this vulnerability are not yet public.
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