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CVE Record

CVE-2018-9091: A critical vulnerability in the KEMP LoadMaster Operating System (LMOS) 6.0.44 through 7.2.41.2 and Long Te...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

CVE-2018-9091 affects KEMP LoadMaster systems running vulnerable LMOS versions. An unauthenticated remote attacker could bypass protections, gain elevated system privileges, and access sensitive system data. For executives, this is high business risk because load balancers often hold certificates, private keys, and traffic-facing configuration.

Executive priority

Treat this as urgent for any exposed or business-critical LoadMaster deployment. The main concern is not just appliance compromise, but possible access to certificates, private keys, and traffic infrastructure that could affect wider trust and operations.

Technical view

The source describes a session-management flaw in LMOS 6.0.44 through 7.2.41.2 and LTS LMOS before 7.1.35.5. Impact includes unauthenticated remote privilege gain and elevated command execution. Sensitive system data, including certificates and private keys, may be exposed in some cases.

Likely exposure

Exposure is likely where affected KEMP LoadMaster appliances are still running the listed LMOS versions, especially if management or remote access surfaces are reachable from untrusted networks. The bundle does not provide CPEs or deployment-specific exposure conditions.

Exploitation context

The provided bundle does not show CISA KEV listing or active exploitation evidence. The CVE description supports serious unauthenticated remote impact, but exploit status should not be assumed from these sources alone.

Researcher notes

Evidence is limited to the CVE record and KEMP mitigation reference. The bundle names affected LMOS ranges and impact, but does not include CVSS, CWE, exploit maturity, detailed root cause, or complete fixed-version guidance for every branch.

Mitigation direction

  • Inventory all KEMP LoadMaster appliances and record exact LMOS versions.
  • Prioritize systems running LMOS 6.0.44 through 7.2.41.2.
  • Prioritize LTS systems running LMOS before 7.1.35.5.
  • Follow KEMP's linked mitigation guidance for supported remediation steps.
  • Restrict administrative and remote access paths to trusted networks.

Validation and detection

  • Compare appliance LMOS versions against the affected version ranges.
  • Confirm whether management interfaces are internet-facing or broadly reachable.
  • Review appliance logs for unexpected privileged activity or configuration access.
  • Check certificate and private-key handling for possible exposure indicators.
  • Verify remediation status against KEMP's vendor guidance.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2018-9091 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.