cbcvebase.
CVE-2020-27648
published 2020-10-29

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…

PriorityP338critical9CVSS 3.1
AVNACHPRNUINSCCHIHAH
EPSS
0.71%
48.9th percentile
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.

Affected

3 ranges
VendorProductVersion rangeFixed in
synologydiskstation_manager>= 6.2 < 6.2.3-25426-26.2.3-25426-2
synologydiskstation_manager>= unspecified < 6.2.3-25426-26.2.3-25426-2
synologyskynas_firmware< 6.2.3-254266.2.3-25426

CVSS provenance

nvdv3.19.0CRITICALCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.