What is CVE-2021-26563?

CVE-2021-26563 is a high-severity vulnerability in Synology Diskstation Manager (Dsm), classified under Incorrect Authorization. CVSS score: 8.2/10. Published 2021-02-26.

How severe is CVE-2021-26563?

High severity. CVSS v3 base score is 8.2 out of 10.

Auth bypass in Synology Diskstation Manager (Dsm)

CVE-2021-26563

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.

Vulnerability class: Broken Access Control

EPSS: 0.001 (30.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Synology Diskstation Manager (Dsm) — versions unspecified

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

www.talosintelligence.com/vulnerability_reports/TALOS-2020-1158 (x_refsource_MISC)
www.synology.com/security/advisory/Synology_SA_21_03 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2021-26563?: CVE-2021-26563 is a high-severity vulnerability in Synology Diskstation Manager (Dsm), classified under Incorrect Authorization. CVSS score: 8.2/10. Published 2021-02-26.
How severe is CVE-2021-26563?: High severity. CVSS v3 base score is 8.2 out of 10.