Schneider Electric Modicon M580 Modbus out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Schneider Electric Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium. This issue affects some unknown processing of the component Modbus. The manipulation results in out-of-bounds. This vulnerability was named CVE-2018-7845. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Schneider Electric Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium (SCADA Software) (the affected version unknown). It has been classified as critical. Affected is an unknown part of the component Modbus. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A CWE-125: Out-of-bounds Read vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause the disclosure of unexpected data from the controller when reading specific memory blocks in the controller over Modbus.

The weakness was presented 05/22/2019. This vulnerability is traded as CVE-2018-7845 since 03/08/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of 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.

See VDB-135352, VDB-135351, VDB-135350 and VDB-135349 for similar entries. 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: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Out-of-bounds
CWE: CWE-125 / CWE-119
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

03/08/2018 🔍
05/22/2019 +440 days 🔍
05/23/2019 +1 days 🔍
09/23/2023 +1584 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: schneider-electric.com
Status: Not defined

CVE: CVE-2018-7845 (🔍)
GCVE (CVE): GCVE-0-2018-7845
GCVE (VulDB): GCVE-100-135348
See also: 🔍

Entryinfo

Created: 05/23/2019 10:56
Updated: 09/23/2023 14:49
Changes: 05/23/2019 10:56 (35), 06/14/2020 14:48 (18), 09/23/2023 14:49 (3)
Complete: 🔍
Cache ID: 216::103

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