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Vulnerability record · CVE-2020-13695 · published 1 June 2020

CVE-2020-13695: Quickbox improper privilege management vulnerability

Quickbox · Quickbox

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.

7.2 CVSS 3.1 High EPSS 1.7% · top 23.8% CWE-269 · Improper privilege managementCWE-306 · Missing authentication for critical function
7.2CVSS 3.1 base score, v2 9.0
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://s1gh.sh/cve-2020-13448-quickbox-authenticated-rce/ ExploitThird Party Advisory
https://s1gh.sh/cve-2020-13448-quickbox-authenticated-rce/ ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-13695), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.