Synology DiskStation Manager Improper Certificate Validation (CVE-2020-27648)

critical Tenable OT Security Plugin ID 502457

Synopsis

The remote OT asset is affected by a vulnerability.

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.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

https://www.synology.com/security/advisory/Synology_SA_20_18

http://www.nessus.org/u?9bcfe5bb

Plugin Details

Severity: Critical

ID: 502457

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 10/1/2024

Updated: 10/2/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2020-27648

CVSS v3

Risk Factor: Critical

Base Score: 9

Temporal Score: 8.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:synology:diskstation_manager

Required KB Items: Tenable.ot/Synology

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/29/2020

Vulnerability Publication Date: 10/29/2020

Reference Information

CVE: CVE-2020-27648

CWE: 295