CVE-2020-7538 is a high-severity vulnerability (CVSS 7.5) affecting the PLC Simulator in Schneider Electric EcoStruxure Control Expert (formerly Unity Pro) across all versions. This CWE-754 improper input validation flaw allows an unauthenticated attacker to remotely crash the simulator by sending a specially crafted Modbus request. While the vulnerability could lead to a denial of service, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding it.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:a:schneider-electric:ecostruxure_control_expert:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.