CVE-2020-7523 json
Improper Privilege Management vulnerability exists in Schneider Electric Modbus Serial Driver (see security notification for versions) whic…
published 2020-08-31 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-28648
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 9%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- schneider-electric modbus_driver_suite 14.15.0.0
- schneider-electric modbus_serial_driver 2.20_ie_30, 3.20_ie_30
Exploit prediction
0.19% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 4.4 | AV:L/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- n/a Schneider Electric Modbus Serial Driver (64 bits) versions prior to V3.20 IE 30, Schneider Electric Modbus Serial Driver (32 bits) versions prior to V2.20 IE 30, and Schneider Electric Modbus Driver Suite versions prior to V14.15.0.0
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
References
-
se.com
/ww/en/download/document/SEVD-2020-224-01/
vendor-advisory
Sources
- CVE List CVE-2020-7523
- NVD CVE-2020-7523
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