CVE-2020-27649

CVSS V2 Medium 6.8 CVSS V3 Critical 9

Description

Improper certificate validation vulnerability in OpenVPN client in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Overview

CVE ID
CVE-2020-27649

Assigner
security@synology.com

Vulnerability Status
Analyzed

Published Version
2020-10-29T09:15:12

Last Modified Date
2020-11-09T14:59:03

Weakness Enumerations

CWE	URL
CWE-295	http://cwe.mitre.org/data/definitions/295.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:synology:router_manager::::::::	1	OR	1.2	1.2.4-8081

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
6.8

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
6.4

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NETWORK

Attack Compatibility
HIGH

Privileges Required
NONE

User Interaction
NONE

Scope
CHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
9

Base Severity
CRITICAL

Exploitability Score
2.2

Impact Score
6

References

Reference URL	Reference Tags
https://www.synology.com/security/advisory/Synology_SA_20_14	Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058	Exploit Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-27649
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27649

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 16:20:49				Added to TrackCVE
2022-12-05 15:50:27	2020-10-29T09:15Z	2020-10-29T09:15:12	CVE Published Date	updated
2022-12-05 15:50:27		2020-11-09T14:59:03	CVE Modified Date	updated
2022-12-05 15:50:27		Analyzed	Vulnerability Status	updated