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 marked as problematic has been reported in Schneider Electric Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium. This impacts an unknown function of the component Modbus TCP. The manipulation leads to unusual condition. This vulnerability is referenced as CVE-2019-6857. Remote exploitation of the attack is possible. No exploit is available. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability was found in Schneider Electric Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium (SCADA Software) (the affected version is unknown). It has been rated as problematic. This issue affects an unknown code of the component Modbus TCP. The manipulation with an unknown input leads to a unusual condition vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

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 of the controller when reading specific memory blocks using Modbus TCP.

The weakness was published 01/06/2020 (Website). It is possible to read the advisory at se.com. The identification of this vulnerability is CVE-2019-6857 since 01/25/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Addressing this vulnerability is possible by firewalling .

Similar entries are available at VDB-148305 and VDB-148354. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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-2019-6857 (🔍)
GCVE (CVE): GCVE-0-2019-6857
GCVE (VulDB): GCVE-100-148355
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

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