{"id":"CVE-2023-0027","state":"PUBLISHED","title":"Rockwell Automation Modbus TCP AOI Server Could Leak Sensitive Information","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.\n\n","publishedAt":"2023-03-17T16:52:21.564Z","updatedAt":"2025-02-26T18:36:20.083Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","source":"Rockwell"},"assigner":"Rockwell","products":["Rockwell Automation Modbus TCP Server Add On Instructions"],"affected":[{"vendor":"Rockwell Automation","product":"Modbus TCP Server Add On Instructions","defaultStatus":"unaffected","versions":[{"version":"2.00.00 - 2.00.03","status":"affected"}]}],"references":["https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138766"],"weaknesses":["CWE-200"],"ingestedAt":"2026-10-29T20:05:36.141Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/0xxx/CVE-2023-0027.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-0027","state":"PUBLISHED","datePublished":"2023-03-17T16:52:21.564Z","dateUpdated":"2025-02-26T18:36:20.083Z","assignerShortName":"Rockwell","assignerOrgId":"b73dd486-f505-4403-b634-40b078b177f0","dateReserved":"2022-12-29T14:01:39.460Z"},"containers":{"cna":{"title":"Rockwell Automation Modbus TCP AOI Server Could Leak Sensitive Information","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"}],"affected":[{"vendor":"Rockwell Automation","product":"Modbus TCP Server Add On Instructions","defaultStatus":"unaffected","versions":[{"version":"2.00.00 - 2.00.03","status":"affected"}]}],"references":[{"url":"https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138766"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","description":"CWE-200 Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Rockwell","orgId":"b73dd486-f505-4403-b634-40b078b177f0","dateUpdated":"2023-03-17T16:52:21.564Z"},"credits":[{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"Parul Sindhwad and Dr. Faruk Kazi of CoE CNDS lab, VJTI, Mumbai, India reported this to Rockwell Automation."}],"impacts":[{"capecId":"CAPEC-117","descriptions":[{"lang":"en","value":"CAPEC-117 Interception"}]}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Customers should update their software to versions 2.04.00 and later to mitigate this issue."}],"value":"Customers should update their software to versions 2.04.00 and later to mitigate this issue."}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138766","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T04:54:32.559Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-26T16:04:18.498040Z","id":"CVE-2023-0027","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-02-26T18:36:20.083Z"}}]}}}