VulnerabilityModified
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.
CRITICAL 9.0EPSS 0.72%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.72%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.0 CRITICALCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.72% probability · 52th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-295
- Affected
- synology/diskstation manager · synology/skynas firmware
- Source
- security@synology.com
References
- https://www.synology.com/security/advisory/Synology_SA_20_18Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058Exploit, Third Party Advisory
- https://www.synology.com/security/advisory/Synology_SA_20_18Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.