CVE-2018-9091
A critical vulnerability in the KEMP LoadMaster Operating System (LMOS) 6.0.44 through 7.2.41.2...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-9091- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-9091- Updated
- 2026-11-02
EUVDEUVD-2018-20694 No score
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.
- Record
EUVD-2018-20694- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q5jv-w57h-6f86
A critical vulnerability in the KEMP LoadMaster Operating System (LMOS) 6.0.44 through 7.2.41.2...
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.
- Record
GHSA-q5jv-w57h-6f86- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-9091 is a critical vulnerability (CVSS 9.8) in Kemptechnologies Loadmaster Operating System, published May 25, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.27%, the 88th percentile. No source names a fixed version.