Home/CVE/Improper neutralization of special elements used in an OS command in SYNO.Core.Network.PPPoE in Synology DiskStation Man
CVE

CVE-2021-29083

Improper neutralization of special elements used in an OS command in SYNO.Core.Network.PPPoE in Synology DiskStation Man

Improper neutralization of special elements used in an OS command in SYNO.Core.Network.PPPoE in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote authenticated users to execute arbitrary code via realname parameter.

HIGH · CVSS 7.2 EPSS 0.00895
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
▤

Affected Products & Versions

1
synology diskstation manager< 6.2.3-25426-3
▣

Scoring & Timeline

7.2
HIGH · CVSS v3.1 · security@synology.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Apr 2021 · 06:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.synology.com/security/advisory/Synology_SA_20_26Vendor Advisory
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