PT-2020-14166 · Openvpn · Openvpn Access Server

Published 2020-07-14 · Updated 2021-11-23 · CVE-2020-15074

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions OpenVPN Access Server versions prior to 2.8.4 OpenVPN Access Server versions prior to 2.9.5

Description The issue allows an attacker to circumvent the initial token expiry timestamp by generating new user authentication tokens instead of reusing existing ones on reconnect.

Recommendations For versions prior to 2.8.4, update to version 2.8.4 or later. For versions prior to 2.9.5, update to version 2.9.5 or later.

Fix

Insufficient Session Expiration

Weakness Enumeration

CWE-302

CWE-613

Related Identifiers

CVE-2020-15074

Affected Products

Openvpn Access Server

References · 3

• https://osv.dev/vulnerability/CVE-2020-15074 · Vendor Advisory
• https://openvpn.net/vpn-server-resources/release-notes · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-15074 · Security Note