CVE-2020-7489 is a critical injection vulnerability (CWE-74) in Schneider Electric EcoStruxure Machine Expert – Basic and SoMachine Basic programming software, affecting various Modicon controllers. With a CVSS score of 9.8, this vulnerability allows for DLL substitution, potentially enabling the transfer of malicious code to industrial controllers. The attack requires no user interaction and can lead to complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been confirmed, the vulnerability has garnered significant community discussion and media coverage, including comparisons to Stuxnet-style threats.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:a:schneider-electric:ecostruxure_machine_expert:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:a:schneider-electric:somachine_basic:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_m100_firmware:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_m200_firmware:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.