CVE-2020-13695: Quickbox

High severity, CVSS 7.2. EPSS: 1.7% chance of exploitation in the next 30 days.

In QuickBox Community Edition through 2.5.5 and Pro Edition through 2.1.8, the local www-data user has sudo privileges to execute grep as root without a password, which allows an attacker to obtain sensitive information via a grep of a /root/*.db or /etc/shadow file.

Affected products

• Quickbox Quickbox: up to and including 2.5.5; up to and including 2.1.8

Published 2020-06-01. Last modified 2026-06-17.