CVE-2020-27648

Improper certificate validation vulnerability in OpenVPN client in Synology DiskStation Manager (DSM) before 6.2.3-25426-2 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.3 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
synologyCNA
8.3 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 40%
VendorProductVersion
synologydiskstation_manager
6.2 ≤
𝑥
< 6.2.3-25426-2
synologyskynas_firmware
𝑥
< 6.2.3-25426
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.synology.com/security/advisory/Synology_SA_20_18
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058
https://www.synology.com/security/advisory/Synology_SA_20_18
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058