CVE-2024-34244 - Vulnerability Details - OpenCVE

Description

libmodbus v3.1.10 is vulnerable to Buffer Overflow via the modbus_write_bits function. This issue can be triggered when the function is fed with specially crafted input, which leads to out-of-bounds read and can potentially cause a crash or other unintended behaviors.

Published: 2024-05-08

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:libmodbus:libmodbus:3.1.10:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00731.

Exploitation poc

Automatable yes

Technical Impact partial

References

Link	Providers
https://github.com/stephane/libmodbus/issues/743

History

Thu, 26 Feb 2026 17:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Mon, 05 May 2025 17:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Libmodbus Libmodbus libmodbus
CPEs		cpe:2.3:a:libmodbus:libmodbus:3.1.10:::::::*
Vendors & Products		Libmodbus Libmodbus libmodbus

Subscriptions

Libmodbus Libmodbus

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-05-08T00:00:00.000Z

Updated: 2024-08-02T02:51:10.675Z

Reserved: 2024-05-02T00:00:00.000Z

Link: CVE-2024-34244

Vulnrichment

Updated: 2024-08-02T02:51:10.675Z

NVD

Status : Analyzed

Published: 2024-05-08T17:15:07.730

Modified: 2025-05-05T17:13:02.000

Link: CVE-2024-34244

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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