CVE-2021-41583 Information

Description

vpn-user-portal (aka eduVPN or Let’s Connect!) before 2.3.14 as packaged for Debian 10 Debian 11 and Fedora allows remote authenticated users to obtain OS filesystem access because of the interaction of QR codes with an exec that uses the -r option. This can be leveraged to obtain additional VPN access.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://list.surfnet.nl/pipermail/eduvpn-deploy/2021-September/000352.html https://github.com/eduvpn/vpn-user-portal/releases

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8