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.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13695
Reference (s):
- https://s1gh.sh/cve-2020-13448-quickbox-authenticated-rce/