Vulnerability Details : CVE-2020-7475
A CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'), reflective DLL, vulnerability exists in EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20), Modicon M580 (all versions prior to V3.10), which, if exploited, could allow attackers to transfer malicious code to the controller.
Exploit prediction scoring system (EPSS) score for CVE-2020-7475
Probability of exploitation activity in the next 30 days: 0.23%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 60 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-7475
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
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-2020-7475
-
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-2020-7475
-
http://www.se.com/ww/en/download/document/SEVD-2020-080-01
Security Notification - Modicon Controllers, EcoStruxure™ Control Expert and Unity Pro Programming Software | Schneider ElectricVendor Advisory
Products affected by CVE-2020-7475
- cpe:2.3:a:schneider-electric:unity_pro:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:a:schneider-electric:ecostruxure_control_expert:*:*:*:*:*:*:*:*