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Loadmaster CVE-2024-7591

HIGH
OS Command Injection (CWE-78)
2024-09-05 security@progress.com
Command Injection Loadmaster Multi Tenant Hypervisor Firmware Kemptechnologies
7.2
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-78
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization OS command sanitization, avoid shell exec
MITRE ATT&CK

2 techniques across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 7.2 (HIGH). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required.
Exploit ScenarioDerived

A remote attacker could execute arbitrary operating system commands on the host by sending crafted requests to the affected application.
This Week Schedule remediation this week. Why: HIGH severity + EPSS > 10%.
Patch available 44.1% exploitation probability (EPSS)

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AnalysisAI

Improper Input Validation vulnerability in Progress LoadMaster allows OS Command Injection.This issue affects: * LoadMaster: 7.2.40.0 and above * ECS: All versions * Multi-Tenancy: 7.1.35.4 and above. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. Improper Input Validation vulnerability in Progress LoadMaster allows OS Command Injection.This issue affects: * LoadMaster: 7.2.40.0 and above * ECS: All versions * Multi-Tenancy: 7.1.35.4 and above Affected products include: Kemptechnologies Loadmaster, Kemptechnologies Multi-Tenant Hypervisor Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 7.2 HIGH
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

Improper Input Validation vulnerability in Progress LoadMaster allows OS Command Injection.This issue affects:

  • LoadMaster: 7.2.40.0 and above
  • ECS: All versions
  • Multi-Tenancy: 7.1.35.4 and above

Threat Intelligence Overview

EPSS Score
44.1%
Top 1% exploitable
Exploit
POC
Public exploit code exists
Data Quality
2 sources
Confidence: Low
NVD CVE.org EPSS POC (1)

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 44.1%
Patch available Yes
Active threat Yes
Deciding rule
HIGH severity + EPSS > 10%
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

100
Low Medium High Critical
KEV: 0
EPSS: +44
CVSS: +36
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS Command Injection CRITICAL

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)NVD

cpe:2.3:a:kemptechnologies:loadmaster:*:*:*:*:*:*:*:*
cpe:2.3:o:kemptechnologies:multi-tenant_hypervisor_firmware:*:*:*:*:*:*:*:*

More in Loadmaster

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CVE-2026-8037 CRITICAL POC
9.8 Jun 04

Unauthenticated OS command injection in the API of Progress ADC products - LoadMaster, ECS Connections Manager, Object S
CVE-2024-1212 CRITICAL POC
9.8 Feb 21

Unauthenticated remote attackers can access the system through the LoadMaster management interface, enabling arbitrary s
CVE-2024-8755 CRITICAL
9.8 Oct 11

Improper Input Validation vulnerability of Authenticated User in Progress LoadMaster allows : OS Command Injection.This

CVE-2024-2448 HIGH
8.8 Mar 22

An OS command injection vulnerability has been identified in LoadMaster. Rated high severity (CVSS 8.8), this vulnerabil
CVE-2026-59686 HIGH
8.4 Jul 27

OS command injection in Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager, and MOVEit WAF all
CVE-2026-59688 HIGH
8.4 Jul 27

OS command injection in the backup-restore functionality of Progress Software LoadMaster, ECS Connection Manager, Object
CVE-2026-59687 HIGH
8.4 Jul 27

OS command injection in Progress LoadMaster and related products allows authenticated high-privilege attackers to execut
CVE-2024-56135 HIGH
8.4 Feb 05

Improper Input Validation vulnerability of Authenticated User in Progress LoadMaster allows : OS Command Injection. Rate
CVE-2024-56131 HIGH
8.4 Feb 05

Improper Input Validation vulnerability of Authenticated User in Progress LoadMaster allows : OS Command Injection. Rate
CVE-2025-13447 HIGH
8.4 Jan 13

OS Command Injection Remote Code Execution Vulnerability in API in Progress LoadMaster allows an authenticated attacker

CVE-2024-56132 HIGH
8.4 Feb 05

Improper Input Validation vulnerability of Authenticated User in Progress LoadMaster allows : OS Command Injection. Rate
CVE-2024-56134 HIGH
8.4 Feb 05

Improper Input Validation vulnerability of Authenticated User in Progress LoadMaster allows : OS Command Injection. Rate

Same weakness CWE-78 – OS Command Injection

View all
CVE-2019-15107 CRITICAL POC
9.8
CVE-2024-51378 CRITICAL POC
9.8
CVE-2014-6271 CRITICAL POC
9.8
CVE-2018-11138 CRITICAL POC
9.8
CVE-2014-6278 HIGH POC
8.8
CVE-2020-9054 CRITICAL POC
9.8
CVE-2017-6334 HIGH POC
8.8
CVE-2024-50603 CRITICAL POC
10.0

Same technique Command Injection

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CVE-2024-21887 CRITICAL POC
9.1
CVE-2016-3081 HIGH POC
8.1
CVE-2012-1823 CRITICAL POC
9.8
CVE-2016-1555 CRITICAL POC
9.8
CVE-2024-55956 CRITICAL POC
9.8

References

Advisories & patches
PATCH https://support.kemptechnologies.com/hc/en-us/articles/29196371689613-LoadMaster-Security-Vulnerability-CVE-2024-7591 REF https://insinuator.net/2024/11/vulnerability-disclosure-command-injection-in-kemp-loadmaster-load-balancer-cve-2024-7591

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