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Vulnerability of Synology WebDAV Server: denial of service via File Deletion

Synthesis of the vulnerability 

An attacker can trigger a fatal error via File Deletion of Synology WebDAV Server, in order to trigger a denial of service.
Impacted systems: Synology DSM, Synology DS***, Synology RS***.
Severity of this alert: 1/4.
Creation date: 23/02/2021.
Références of this alert: Synology-SA-21:09, VIGILANCE-VUL-34649.

Description of the vulnerability 

An attacker can trigger a fatal error via File Deletion of Synology WebDAV Serve...
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This security weakness impacts software or systems such as Synology DSM, Synology DS***, Synology RS***.

Our Vigil@nce team determined that the severity of this threat bulletin is low.

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 threat.

Solutions for this threat 

This vulnerability workaround will be public soon.
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