Schneider Electric Modicon Controllers LMC058 Modbus input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.6$0-$5k0.00

Summaryinfo

A vulnerability classified as very critical was found in Schneider Electric Modicon Controllers M241, Modicon Controllers M251, Modicon Controllers M258 and Modicon Controllers LMC058. The affected element is an unknown function of the component Modbus Handler. Executing a manipulation can lead to input validation. The identification of this vulnerability is CVE-2024-11737. The attack may be launched remotely. There is no exploit available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability was found in Schneider Electric Modicon Controllers M241, Modicon Controllers M251, Modicon Controllers M258 and Modicon Controllers LMC058 (version unknown). It has been declared as very critical. This vulnerability affects an unknown function of the component Modbus Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

CWE-20: Improper Input Validation vulnerability exists that could lead to a denial of service and a loss of confidentiality, integrity of the controller when an unauthenticated crafted Modbus packet is sent to the device.

The advisory is available at download.schneider-electric.com. This vulnerability was named CVE-2024-11737 since 11/26/2024. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 12/11/2024).

Applying a patch is able to eliminate this problem.

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Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (schneider): 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/26/2024 🔍
12/11/2024 +15 days 🔍
12/11/2024 +0 days 🔍
12/11/2024 +0 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: SEVD-2024-345-03
Status: Confirmed

CVE: CVE-2024-11737 (🔍)
GCVE (CVE): GCVE-0-2024-11737
GCVE (VulDB): GCVE-100-287854

Entryinfo

Created: 12/11/2024 10:57
Changes: 12/11/2024 10:57 (75)
Complete: 🔍
Cache ID: 216::103

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