// For flags

CVE-2023-0027

Rockwell Automation Modbus TCP AOI Server Could Leak Sensitive Information

Severity Score

4.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

*Credits: Parul Sindhwad and Dr. Faruk Kazi of CoE CNDS lab, VJTI, Mumbai, India reported this to Rockwell Automation.
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-12-29 CVE Reserved
  • 2023-03-17 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-10-07 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CAPEC
  • CAPEC-117: Interception
References (0)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Rockwellautomation
Search vendor "Rockwellautomation"
 Modbus Tcp Server Add On Instructions
Search vendor "Rockwellautomation" for product "Modbus Tcp Server Add On Instructions"
 >= 2.00.00 < 2.04.00
Search vendor "Rockwellautomation" for product "Modbus Tcp Server Add On Instructions" and version " >= 2.00.00 < 2.04.00"
-
Affected