PT-2021-20666 · Synology · Synology Download Station

Published 2021-06-18 · Updated 2021-06-23 · CVE-2021-34811

Positive Technologies (AI Summary)

CVSS v3.1

5.0

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions: Synology Download Station versions prior to 3.8.16-3566

Description: A Server-Side Request Forgery (SSRF) issue in the task management component allows remote authenticated users to access intranet resources via unspecified vectors. This could potentially lead to unauthorized access to internal network resources.

Recommendations: For versions prior to 3.8.16-3566, update to version 3.8.16-3566 or later to resolve the issue. As a temporary workaround, consider restricting access to the task management component to minimize the risk of exploitation.

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2021-34811

Affected Products

Synology Download Station

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-34811 · Security Note
• https://osv.dev/vulnerability/CVE-2021-34811 · Vendor Advisory
• https://synology.com/security/advisory/Synology_SA_21_11 · Vendor Advisory
• https://t.me/cibsecurity/25540 · Telegram Post