CVE-2018-7821

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 22-05-2019 10:29

Last modified: - 31-01-2022 09:47

Total changes: - 4

Description

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Low

Attack complexity

Network

Attack vector

High

Availability

None

Confidentiality

None

Integrity

None

Privileges required

Unchanged

Scope

None

User interaction

7.5

Base score

3.9

3.6

Exploitability score

Impact score

Verification logic

vendor=schneider-electric AND product=somachine_basic

AND

vendor=schneider-electric AND product=modicon_m221_firmware AND versionEndExcluding=1.10.0.0

vendor=schneider-electric AND product=modicon_m221 AND version=-

Reference

https://www.schneider-electric.com/en/download/document/SEVD-2019-045-01/

Keywords

CVE-2018-7821

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2018-7821

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures