CVE-2020-15077

CVSS V2 Low 3.5 CVSS V3 Medium 5.3
Description
OpenVPN Access Server 2.8.7 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks.
Overview
  • CVE ID
  • CVE-2020-15077
  • Assigner
  • security@openvpn.net
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-06-04T11:15:07
  • Last Modified Date
  • 2022-08-05T15:18:52
Weakness Enumerations
CWE URL
CWE-287 http://cwe.mitre.org/data/definitions/287.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:openvpn:openvpn_access_server:*:*:*:*:*:*:*:* 1 OR 2.8.7
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:S/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 3.5
  • Severity
  • LOW
  • Exploitability Score
  • 6.8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.6
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://openvpn.net/security-advisory/access-server-security-update-cve-2020-15077/ Vendor Advisory
https://openvpn.net/vpn-server-resources/release-notes/ Release Notes Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-15077
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15077
History
Created Old Value New Value Data Type Notes
2022-05-10 07:11:56 Added to TrackCVE
2022-12-05 03:32:59 2021-06-04T11:15Z 2021-06-04T11:15:07 CVE Published Date updated
2022-12-05 03:32:59 2022-08-05T15:18:52 CVE Modified Date updated
2022-12-05 03:32:59 Analyzed Vulnerability Status updated