Critical severity · published Apr 22, 2020
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…
9.8
CVSS
1.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 76% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EM
Ecostruxure Machine Expert · Schneider-electric
All versions, or not specified · source: NVD
MM
Modicon M100 Firmware · Schneider-electric
All versions, or not specified · source: NVD
MM
Modicon M200 Firmware · Schneider-electric
All versions, or not specified · source: NVD
MM
Modicon M221 Firmware · Schneider-electric
All versions, or not specified · source: NVD
SB
Somachine Basic · Schneider-electric
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-7489
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-7489
Patch
https://www.se.com/ww/en/download/document/SEVD-2020-105-01
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