VDB-144439 · CVE-2019-6844 · GCVE-0-2019-6844

Schneider Electric Modicon M580 PLC exceptional condition

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.8	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Schneider Electric Modicon M580, Modicon M340, Modicon BMxCRA and Modicon 140CRA. This impacts an unknown function of the component PLC. This manipulation causes exceptional condition. The identification of this vulnerability is CVE-2019-6844. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Schneider Electric Modicon M580, Modicon M340, Modicon BMxCRA and Modicon 140CRA (SCADA Software) (affected version unknown). It has been declared as problematic. Affected by this vulnerability is an unknown functionality 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. 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 atack on the PLC when upgrading the controller with a firmware package containing an invalid web server image using FTP protocol.

The weakness was shared 10/29/2019 (Website). It is possible to read the advisory at schneider-electric.com. This vulnerability is known as CVE-2019-6844 since 01/25/2019. The exploitation appears to be easy. The attack can be launched remotely. The successful exploitation needs a single authentication. The technical details are unknown and an exploit is not 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-144437 and VDB-144438 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

SCADA Software

Vendor

Schneider Electric

Name

License

commercial

Website

Vendor: https://www.schneider-electric.com/

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

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

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-2019-6844 (🔍)
GCVE (CVE): GCVE-0-2019-6844
GCVE (VulDB): GCVE-100-144439
See also: 🔍

Entryinfo

Created: 10/30/2019 07:39
Updated: 10/30/2019 07:44
Changes: 10/30/2019 07:39 (37), 10/30/2019 07:44 (18)
Complete: 🔍
Cache ID: 216::103