CVE-2021-26566

moderate-risk
Published 2021-02-26

Insertion of sensitive information into sent data vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary commands via inbound QuickConnect traffic.

Do I need to act?

-
0.53% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.3/10 High
NETWORK / HIGH complexity

Affected Products (4)

Skynas Firmware

Affected Vendors

Synology

References (4)

Vendor Advisory https://www.synology.com/security/advisory/Synology_SA_20_26
Exploit https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1160
Vendor Advisory https://www.synology.com/security/advisory/Synology_SA_20_26
Exploit https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1160
37
/ 100
moderate-risk
Severity 25/34 · High
Exploitability 2/34 · Minimal
Exposure 10/34 · Low