CVE-2018-7821
CVSS V2 Medium 5
CVSS V3 High 7.5
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.
Overview
- CVE ID
- CVE-2018-7821
- Assigner
- cybersecurity@se.com
- Vulnerability Status
- Analyzed
- Published Version
- 2019-05-22T20:29:01
- Last Modified Date
- 2022-01-31T20:47:01
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:schneider-electric:somachine_basic:*:*:*:*:*:*:*:* | 1 | OR | ||
| AND | ||||
| cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.10.0.0 | |
| cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://www.schneider-electric.com/en/download/document/SEVD-2019-045-01/ | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-7821 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7821 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:35:35 | Added to TrackCVE | |||
| 2022-12-03 21:06:10 | cybersecurity@schneider-electric.com | cybersecurity@se.com | CVE Assigner | updated |
| 2022-12-03 21:06:10 | 2019-05-22T20:29Z | 2019-05-22T20:29:01 | CVE Published Date | updated |
| 2022-12-03 21:06:10 | 2022-01-31T20:47:01 | CVE Modified Date | updated | |
| 2022-12-03 21:06:10 | Analyzed | Vulnerability Status | updated |