Vulnerability Details : CVE-2020-7489
A CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability exists on EcoStruxure Machine Expert – Basic or SoMachine Basic programming software (versions in security notification). The result of this vulnerability, DLL substitution, could allow the transference of malicious code to the controller.
Products affected by CVE-2020-7489
- cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:a:schneider-electric:somachine_basic:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m100_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m200_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:a:schneider-electric:ecostruxure_machine_expert:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-7489
0.26%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 64 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-7489
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-7489
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The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.Assigned by:
- cybersecurity@se.com (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2020-7489
-
https://www.se.com/ww/en/download/document/SEVD-2020-105-01
Security Notification - Modicon M100/M200/M221 controllers, SoMachine Basic and EcoStruxure Machine Expert | Schneider ElectricPatch;Vendor Advisory
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