CVE-2020-27648

CVSS V2 Medium 6.8 CVSS V3 Critical 9
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.
Overview
  • CVE ID
  • CVE-2020-27648
  • Assigner
  • security@synology.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-10-29T09:15:12
  • Last Modified Date
  • 2020-11-09T14:59:46
Weakness Enumerations
CWE URL
CWE-295 http://cwe.mitre.org/data/definitions/295.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:synology:diskstation_manager:*:*:*:*:*:*:*:* 1 OR 6.2 6.2.3-25426-2
AND
cpe:2.3:o:synology:skynas_firmware:*:*:*:*:*:*:*:* 1 OR 6.2.3-25426
cpe:2.3:h:synology:skynas:-:*:*:*:*:*:*:* 0 OR
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_18 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-2020-27648
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27648
History
Created Old Value New Value Data Type Notes
2022-05-10 16:20:49 Added to TrackCVE
2022-12-05 15:50:23 2020-10-29T09:15Z 2020-10-29T09:15:12 CVE Published Date updated
2022-12-05 15:50:23 2020-11-09T14:59:46 CVE Modified Date updated
2022-12-05 15:50:23 Analyzed Vulnerability Status updated