RCE in Zultys Mx250
CVE-2023-43744
An OS command injection vulnerability in Zultys MX-SE, MX-SE II, MX-E, MX-Virtual, MX250, and MX30 with firmware versions prior to 17.0.10 patch 17161 and 16.04 patch 16109 allows an administrator to execute arbitrary OS commands via a file name parameter in a patch application function. The Zultys MX Administrator client has a "Patch Manager" section that allows administrators to apply patches to the device. The user supplied filename for the patch file is passed to a shell script without validation. Including bash command substitution characters in a patch file name results in execution of the provided command.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.020 (78.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- cve@mitre.org (Product)
- cve@mitre.org (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-43744?
- CVE-2023-43744 is a high-severity vulnerability in Zultys Mx250, classified under OS Command Injection. CVSS score: 7.2/10. Published 2023-12-08.
- How severe is CVE-2023-43744?
- High severity. CVSS v3 base score is 7.2 out of 10.