Schneider Electric Modicon M580 PLC exceptional condition

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Schneider Electric Modicon M580, Modicon M340, Modicon BMxCRA and Modicon 140CRA. The affected element is an unknown function of the component PLC. Executing a manipulation can lead to exceptional condition. This vulnerability is handled as CVE-2019-6841. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in Schneider Electric Modicon M580, Modicon M340, Modicon BMxCRA and Modicon 140CRA (SCADA Software) (unknown version) and classified as problematic. This vulnerability affects an unknown code block of the component PLC. The manipulation with an unknown input leads to a exceptional condition vulnerability. The CWE definition for the vulnerability is CWE-755. The product does not handle or incorrectly handles an exceptional condition. As an impact it is known to affect availability. CVE summarizes:

A CWE-248: Uncaught Exception vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service attack on the PLC when upgrading the firmware with no firmware image inside the package using FTP protocol.

The weakness was released 10/29/2019 (Website). The advisory is shared for download at schneider-electric.com. This vulnerability was named CVE-2019-6841 since 01/25/2019. The exploitation appears to be easy. The attack can be initiated remotely. The requirement for exploitation is a single authentication. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at VDB-144442, VDB-144437, VDB-144438 and VDB-144439. Once again VulDB remains the best source 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: 3.8
VulDB Meta Temp Score: 3.8

VulDB Base Score: 2.7
VulDB Temp Score: 2.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.9
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Exceptional condition
CWE: CWE-755
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/25/2019 🔍
10/29/2019 +277 days 🔍
10/30/2019 +1 days 🔍
10/30/2019 +0 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: schneider-electric.com
Status: Not defined

CVE: CVE-2019-6841 (🔍)
GCVE (CVE): GCVE-0-2019-6841
GCVE (VulDB): GCVE-100-144436
See also: 🔍

Entryinfo

Created: 10/30/2019 07:38
Updated: 10/30/2019 07:43
Changes: 10/30/2019 07:38 (37), 10/30/2019 07:43 (18)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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