CVE-2021-26563

MediumCVSS 6.7/10Last modified Jun 17, 2026

Description

Incorrect authorization vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.4-25553 allows local users to execute arbitrary code via unspecified vectors.

Metrics

CVSS 3.1 6.7/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-863

Affected software

Vendor	Product	Versions
Synology	DiskStation Manager (DSM)	>= unspecified, < 6.2.4-25553

References

https://www.synology.com/security/advisory/Synology_SA_21_03Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1158Exploit, Third Party Advisory
https://www.synology.com/security/advisory/Synology_SA_21_03Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1158Exploit, Third Party Advisory

Timeline

Published: Feb 26, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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