CVE-2020-7523: schneider-electric modbus_driver_suite Improper Privilege Management
Vulnerability summary
CVE-2020-7523 is a high (CVSS 7.8) Improper Privilege Management vulnerability in schneider-electric modbus_driver_suite. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.5% of scored vulnerabilities.
Timeline
- 31-08-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Improper Privilege Management vulnerability exists in Schneider Electric Modbus Serial Driver (see security notification for versions) which could cause local privilege escalation when the Modbus Serial Driver service is invoked. The driver does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.19%
Chance of exploitation in the next 30 days
Percentile
9%
Versus all other CVEs
30-day change
0.00 pp
From 0.19% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Schneider-electric2 products
- modbus_driver_suite< 14.15.0.0
- modbus_serial_driver< 2.20_ie_30 | < 3.20_ie_30
1 vendor · 2 products