Improper privilege management in Schneider Electric Modbus Serial Driver versions prior…
Priority LOW 33CWE-269Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-269.
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.
Why it matters now
EPSS 0.00194 9th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | 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 | 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 V14.15.0.1 | — | No fix listed | CNA |
- 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 Vendor— Affected 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 V14.15.0.1 Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:schneider-electric:modbus_driver_suite:*:*:*:*:*:*:*:* | before 14.15.0.0 | Vulnerable | Schneider Electric |
| cpe:2.3:a:schneider-electric:modbus_serial_driver:*:*:*:*:*:*:x86:* | before 2.20_ie_30 | Vulnerable | Schneider Electric |
| cpe:2.3:a:schneider-electric:modbus_serial_driver:*:*:*:*:*:*:x64:* | before 3.20_ie_30 | Vulnerable | Schneider Electric |
- cpe:2.3:a:schneider-electric:modbus_driver_suite:*:*:*:*:*:*:*:* Versions before 14.15.0.0 Vulnerable ·Schneider Electric
- cpe:2.3:a:schneider-electric:modbus_serial_driver:*:*:*:*:*:*:x86:* Versions before 2.20_ie_30 Vulnerable ·Schneider Electric
- cpe:2.3:a:schneider-electric:modbus_serial_driver:*:*:*:*:*:*:x64:* Versions before 3.20_ie_30 Vulnerable ·Schneider Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-7523
- 2026-10-03 Alias added: GHSA-pxg4-q469-ggv7
References
Sources
- CVE-2020-7523 · CVE Program
- CVE-2020-7523 · NVD
- FIRST EPSS
- GHSA-pxg4-q469-ggv7 · GitHub Advisory Database · CC BY 4.0
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