PT-2021-17581 · Synology · Synology Diskstation Manager

Published 2021-06-23 · Updated 2025-01-14 · CVE-2021-27649

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Synology DiskStation Manager (DSM) versions prior to 6.2.3-25426-3

Description The issue is related to a use after free vulnerability in the file transfer protocol component. This allows remote attackers to execute arbitrary code via unspecified vectors.

Recommendations For versions prior to 6.2.3-25426-3, update to version 6.2.3-25426-3 or later to resolve the issue.

Fix

RCE

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2021-27649

Affected Products

Synology Diskstation Manager

References · 4

• https://osv.dev/vulnerability/CVE-2021-27649 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27649 · Security Note
• https://synology.com/security/advisory/Synology_SA_20_26 · Vendor Advisory
• https://t.me/cvenotify/16741 · Telegram Post