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 classified as problematic has been found in Schneider Electric Modicon M580, Modicon M340, Modicon BMxCRA and Modicon 140CRA. The impacted element is an unknown function of the component PLC. The manipulation leads to exceptional condition. This vulnerability is uniquely identified as CVE-2019-6842. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Schneider Electric Modicon M580, Modicon M340, Modicon BMxCRA and Modicon 140CRA (SCADA Software) (version now known) and classified as problematic. This issue affects some unknown processing of the component PLC. The manipulation with an unknown input leads to a exceptional condition vulnerability. Using CWE to declare the problem leads to CWE-755. The product does not handle or incorrectly handles an exceptional condition. Impacted is availability. The summary by CVE is:

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 a missing web server image inside the package using FTP protocol.

The weakness was disclosed 10/29/2019 (Website). The advisory is shared at schneider-electric.com. The identification of this vulnerability is CVE-2019-6842 since 01/25/2019. The exploitation is known to be easy. The attack may be initiated remotely. Required for exploitation is a simple authentication. Neither technical details nor an exploit are publicly available.

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

The entries VDB-144442, VDB-144436, VDB-144438 and VDB-144439 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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

AVACAuCIA
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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-2019-6842 (🔍)
GCVE (CVE): GCVE-0-2019-6842
GCVE (VulDB): GCVE-100-144437
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

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