{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-05T11:38:44.711","vulnerabilities":[{"cve":{"id":"CVE-2023-0027","sourceIdentifier":"PSIRT@rockwellautomation.com","published":"2023-03-17T17:15:11.307","lastModified":"2024-11-21T07:36:25.453","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"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.\n\n"}],"metrics":{"cvssMetricV31":[{"source":"PSIRT@rockwellautomation.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":1.4},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":1.4}]},"weaknesses":[{"source":"PSIRT@rockwellautomation.com","type":"Secondary","description":[{"lang":"en","value":"CWE-200"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-200"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:rockwellautomation:modbus_tcp_server_add_on_instructions:*:*:*:*:*:*:*:*","versionStartIncluding":"2.00.00","versionEndExcluding":"2.04.00","matchCriteriaId":"5D5053BE-2C68-4505-8B9D-D80A58C28952"}]}]}],"references":[{"url":"https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138766","source":"PSIRT@rockwellautomation.com","tags":["Permissions Required","Vendor Advisory"]},{"url":"https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138766","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Permissions Required","Vendor Advisory"]}]}}]}