CVE-2018-1000043: Securityonion Squert

Critical severity, CVSS 9.8. EPSS: 3.9% chance of exploitation in the next 30 days.

Security Onion Solutions Squert version 1.0.1 through 1.6.7 contains a CWE-78: Improper Neutralization of Special Elements used in an OS Command (OS Command Injection) vulnerability in .inc/callback.php that can result in execution of OS Commands. This attack appear to be exploitable via Web request to .inc/callback.php with the payload in the txdata parameter, used in tx()/transcript(), or the catdata parameter, used in cat(). This vulnerability appears to have been fixed in 1.7.0.

Affected products

Published 2018-02-09. Last modified 2026-06-17.