Schneider Electric SoMachine Basic Ethernet/IP denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Schneider Electric SoMachine Basic. Affected by this vulnerability is an unknown functionality of the component Ethernet/IP. Performing a manipulation results in denial of service. This vulnerability was named CVE-2018-7821. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Schneider Electric SoMachine Basic (SCADA Software). This affects some unknown functionality of the component Ethernet/IP. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

An Environment (CWE-2) vulnerability exists in SoMachine Basic, all versions, and Modicon M221(all references, all versions prior to firmware V1.10.0.0) which could cause cycle time impact when flooding the M221 ethernet interface while the Ethernet/IP adapter is activated.

The weakness was presented 05/22/2019. This vulnerability is uniquely identified as CVE-2018-7821 since 03/08/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading eliminates this vulnerability.

See VDB-135335 and VDB-135334 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Schneider Electric SoMachine Basic
  • Modicon M221

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

ADP CISA Base Score: 7.5
ADP CISA 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: Denial of service
CWE: CWE-404
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/08/2018 🔍
05/22/2019 +440 days 🔍
05/23/2019 +1 days 🔍
05/29/2026 +2563 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: schneider-electric.com
Status: Confirmed

CVE: CVE-2018-7821 (🔍)
GCVE (CVE): GCVE-0-2018-7821
GCVE (VulDB): GCVE-100-135333
See also: 🔍

Entryinfo

Created: 05/23/2019 06:59
Updated: 05/29/2026 21:38
Changes: 05/23/2019 06:59 (38), 06/14/2020 12:17 (18), 09/23/2023 14:14 (4), 05/29/2026 21:38 (28)
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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