PT-2021-18072 · Synology · Synology Diskstation Manager

CVE-2021-29083 · Published 2021-04-01 · Updated 2025-01-14

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

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 the improper neutralization of special elements used in an OS command in SYNO.Core.Network.PPPoE, allowing remote authenticated users to execute arbitrary code via the realname parameter.

Recommendations: For versions prior to 6.2.3-25426-3, update to version 6.2.3-25426-3 or later to resolve the issue. As a temporary workaround, consider restricting access to the realname parameter in the affected API endpoint until a patch is available.

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2021-29083

Affected Products

Synology Diskstation Manager

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-29083 · Security Note
• https://osv.dev/vulnerability/CVE-2021-29083 · Vendor Advisory
• https://synology.com/security/advisory/Synology_SA_20_26 · Vendor Advisory
• https://t.me/cvenotify/12469 · Telegram Post