CVE-2023-0027 (GCVE-0-2023-0027)

Vulnerability from cvelistv5 – Published: 2023-03-17 16:52 – Updated: 2025-02-26 18:36
VLAI
Title
Rockwell Automation Modbus TCP AOI Server Could Leak Sensitive Information
Summary
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.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-26 16:04 UTC
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
Impacted products
Credits
Parul Sindhwad and Dr. Faruk Kazi of CoE CNDS lab, VJTI, Mumbai, India reported this to Rockwell Automation.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T04:54:32.559Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138766"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-0027",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-26T16:04:18.498040Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-26T18:36:20.083Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Modbus TCP Server Add On Instructions",
          "vendor": "Rockwell Automation",
          "versions": [
            {
              "status": "affected",
              "version": "2.00.00 - 2.00.03"
            }
          ]
        }
      ],
      "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."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "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\u2019s Modbus TCP Server AOI information.\u003cbr\u003e\u003cbr\u003e"
            }
          ],
          "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\u2019s Modbus TCP Server AOI information.\n\n"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-117",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-117 Interception"
            }
          ]
        }
      ],
      "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": {
        "dateUpdated": "2023-03-17T16:52:21.564Z",
        "orgId": "b73dd486-f505-4403-b634-40b078b177f0",
        "shortName": "Rockwell"
      },
      "references": [
        {
          "url": "https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138766"
        }
      ],
      "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"
      },
      "title": "Rockwell Automation Modbus TCP AOI Server Could Leak Sensitive Information",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b73dd486-f505-4403-b634-40b078b177f0",
    "assignerShortName": "Rockwell",
    "cveId": "CVE-2023-0027",
    "datePublished": "2023-03-17T16:52:21.564Z",
    "dateReserved": "2022-12-29T14:01:39.460Z",
    "dateUpdated": "2025-02-26T18:36:20.083Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-0027",
      "date": "2026-08-12",
      "epss": "0.00849",
      "percentile": "0.54855"
    },
    "fkie_nvd": {
      "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\"}]}]}]",
      "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\\u2019s Modbus TCP Server AOI information.\\n\\n\"}]",
      "id": "CVE-2023-0027",
      "lastModified": "2024-11-21T07:36:25.453",
      "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}]}",
      "published": "2023-03-17T17:15:11.307",
      "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\"]}]",
      "sourceIdentifier": "PSIRT@rockwellautomation.com",
      "vulnStatus": "Modified",
      "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\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-0027\",\"sourceIdentifier\":\"PSIRT@rockwellautomation.com\",\"published\":\"2023-03-17T17:15:11.307\",\"lastModified\":\"2026-06-17T05:24:37.427\",\"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\u2019s Modbus TCP Server AOI information.\\n\\n\"}],\"affected\":[{\"source\":\"PSIRT@rockwellautomation.com\",\"affectedData\":[{\"vendor\":\"Rockwell Automation\",\"product\":\"Modbus TCP Server Add On Instructions\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"2.00.00 - 2.00.03\",\"status\":\"affected\"}]}]}],\"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}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-02-26T16:04:18.498040Z\",\"id\":\"CVE-2023-0027\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"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\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2025-05-29T00:30:30+00:00",
      "cve": "CVE-2023-0027",
      "id": "CVE-2023-0027",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Rockwell Automation Modbus TCP AOI Server Could Leak Sensitive Information",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-0027.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"cna\": {\"affected\": [{\"defaultStatus\": \"unaffected\", \"product\": \"Modbus TCP Server Add On Instructions\", \"vendor\": \"Rockwell Automation\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.00.00 - 2.00.03\"}]}], \"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.\"}], \"descriptions\": [{\"lang\": \"en\", \"supportingMedia\": [{\"base64\": false, \"type\": \"text/html\", \"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\\u2019s Modbus TCP Server AOI information.\u003cbr\u003e\u003cbr\u003e\"}], \"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\\u2019s Modbus TCP Server AOI information.\\n\\n\"}], \"impacts\": [{\"capecId\": \"CAPEC-117\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-117 Interception\"}]}], \"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\": {\"orgId\": \"b73dd486-f505-4403-b634-40b078b177f0\", \"shortName\": \"Rockwell\", \"dateUpdated\": \"2023-03-17T16:52:21.564Z\"}, \"references\": [{\"url\": \"https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138766\"}], \"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\"}, \"title\": \"Rockwell Automation Modbus TCP AOI Server Could Leak Sensitive Information\", \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}}, \"adp\": [{\"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T04:54:32.559Z\"}, \"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138766\", \"tags\": [\"x_transferred\"]}]}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-0027\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-26T16:04:18.498040Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-26T18:36:16.526Z\"}}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-0027\", \"assignerOrgId\": \"b73dd486-f505-4403-b634-40b078b177f0\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"Rockwell\", \"dateReserved\": \"2022-12-29T14:01:39.460Z\", \"datePublished\": \"2023-03-17T16:52:21.564Z\", \"dateUpdated\": \"2025-02-26T18:36:20.083Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.