CVE-2018-9091: Kemptechnologies LoadMaster Operating System

Critical severity, CVSS 9.8. EPSS: 3.3% chance of exploitation in the next 30 days.

A critical vulnerability in the KEMP LoadMaster Operating System (LMOS) 6.0.44 through 7.2.41.2 and Long Term Support (LTS) LMOS before 7.1.35.5 related to Session Management could allow an unauthenticated, remote attacker to bypass security protections, gain system privileges, and execute elevated commands such as ls, ps, cat, etc., thereby compromising the system. Through this remote execution, in certain cases, exposure of sensitive system data such as certificates, private keys, and other information may be possible.

Affected products

• Kemptechnologies LoadMaster Operating System: from 6.0.44, up to and including 7.2.41.2; before 7.1.35.5 (fixed in 7.1.35.5)

Published 2018-05-25. Last modified 2026-06-17.