CVE-2023-0027
Last modified
CVE-2023-0027 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Rockwell Automation Modbus TCP Server AOI prior to 2.04.00 is vulnerable to an unauthorized user sending a malformed message that could cause the controller to respond with a copy of the most recent response to the last valid request. If exploited, an unauthorized user could read the connected device’s Modbus TCP Server AOI information. . EPSS estimates a 0.85% chance of exploitation in the next 30 days.
Description
Rockwell Automation Modbus TCP Server AOI prior to 2.04.00 is vulnerable to an unauthorized user sending a malformed message that could cause the controller to respond with a copy of the most recent response to the last valid request. If exploited, an unauthorized user could read the connected device’s Modbus TCP Server AOI information.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Rockwellautomation | Modbus Tcp Server Add On Instructions | >= 2.00.00, < 2.04.00 |
References
- https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138766Permissions Required, Vendor Advisory
- https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138766Permissions Required, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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