Schneider Electric Modicon M580 Modbus TCP unusual condition

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Schneider Electric Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium. This affects an unknown function of the component Modbus TCP. Executing a manipulation can lead to unusual condition. The identification of this vulnerability is CVE-2019-6856. The attack may be launched remotely. There is no exploit available. The application of restrictive firewalling is recommended.

Detailsinfo

A vulnerability was found in Schneider Electric Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium (SCADA Software) (the affected version unknown). It has been declared as problematic. This vulnerability affects an unknown part of the component Modbus TCP. The manipulation with an unknown input leads to a unusual condition vulnerability. The CWE definition for the vulnerability is CWE-754. The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. As an impact it is known to affect availability. CVE summarizes:

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium (see security notification for specific versions) which could cause a Denial of Service when writing specific physical memory blocks using Modbus TCP.

The weakness was shared 01/06/2020 (Website). The advisory is available at se.com. This vulnerability was named CVE-2019-6856 since 01/25/2019. 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.

Proper firewalling of is able to address this issue.

The entries VDB-148305 and VDB-148355 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Unusual condition
CWE: CWE-754
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: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/25/2019 🔍
01/06/2020 +346 days 🔍
01/07/2020 +1 days 🔍
05/29/2026 +2334 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: se.com
Status: Not defined

CVE: CVE-2019-6856 (🔍)
GCVE (CVE): GCVE-0-2019-6856
GCVE (VulDB): GCVE-100-148354
See also: 🔍

Entryinfo

Created: 01/07/2020 11:10
Updated: 05/29/2026 22:41
Changes: 01/07/2020 11:10 (38), 01/07/2020 11:15 (18), 05/29/2026 22:41 (28)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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