Schneider Electric Modicon M340 Connection unusual condition

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Schneider Electric BMXNOR0200H Ethernet Serial RTU Module and Modicon M340. This affects an unknown function of the component Connection Handler. The manipulation leads to unusual condition. This vulnerability is documented as CVE-2019-6831. The attack can be initiated remotely. There is not any exploit available. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Schneider Electric BMXNOR0200H Ethernet Serial RTU Module and Modicon M340 (SCADA Software) (affected version not known). This issue affects some unknown functionality of the component Connection Handler. 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 BMXNOR0200H Ethernet / Serial RTU module (all firmware versions), which could cause disconnection of active connections when an unusually high number of IEC 60870- 5-104 packets are received by the module on port 2404/TCP.

The weakness was released 09/17/2019 (Website). The advisory is shared at schneider-electric.com. The identification of this vulnerability is CVE-2019-6831 since 01/25/2019. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Addressing this vulnerability is possible by firewalling .

Entry connected to this vulnerability is available at VDB-141934. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.8
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.6
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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 🔍
09/17/2019 +235 days 🔍
09/18/2019 +1 days 🔍
08/28/2020 +345 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: schneider-electric.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-6831 (🔍)
GCVE (CVE): GCVE-0-2019-6831
GCVE (VulDB): GCVE-100-141941
See also: 🔍

Entryinfo

Created: 09/18/2019 11:27
Updated: 08/28/2020 22:33
Changes: 09/18/2019 11:27 (56), 08/28/2020 22:33 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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