Vulnerability Details : CVE-2020-7523
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.
Vulnerability category: Gain privilege
Products affected by CVE-2020-7523
- cpe:2.3:a:schneider-electric:modbus_serial_driver:*:*:*:*:*:*:x86:*
- cpe:2.3:a:schneider-electric:modbus_serial_driver:*:*:*:*:*:*:x64:*
- cpe:2.3:a:schneider-electric:modbus_driver_suite:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-7523
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-7523
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.4
|
MEDIUM | AV:L/AC:M/Au:N/C:P/I:P/A:P |
3.4
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
1.1
|
6.0
|
NIST |
CWE ids for CVE-2020-7523
-
The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.Assigned by: cybersecurity@se.com (Primary)
References for CVE-2020-7523
-
https://www.se.com/ww/en/download/document/SEVD-2020-224-01/
Security Notification - Schneider Electric Modbus Serial Driver | Schneider ElectricVendor Advisory
Jump to