CVE-2023-27336 (GCVE-0-2023-27336)
Vulnerability from cvelistv5
Published
2024-05-03 01:55
Modified
2024-08-02 12:09
Severity ?
7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Summary
Softing edgeConnector Siemens OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Softing edgeConnector Siemens. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of OPC client certificates. The issue results from dereferencing a NULL pointer. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20508.
References
Impacted products
Vendor Product Version
Softing edgeConnector Siemens Version: 3.40
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:softing:edgeconnector:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "edgeconnector",
            "vendor": "softing",
            "versions": [
              {
                "status": "affected",
                "version": "3.40"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-27336",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-05-09T18:08:48.894972Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:24:42.930Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T12:09:43.421Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "ZDI-23-1065",
            "tags": [
              "x_research-advisory",
              "x_transferred"
            ],
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-1065/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "edgeConnector Siemens",
          "vendor": "Softing",
          "versions": [
            {
              "status": "affected",
              "version": "3.40"
            }
          ]
        }
      ],
      "dateAssigned": "2023-02-28T12:05:53.960-06:00",
      "datePublic": "2023-08-09T13:05:39.861-05:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Softing edgeConnector Siemens OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Softing edgeConnector Siemens. Authentication is not required to exploit this vulnerability.\n\nThe specific flaw exists within the handling of OPC client certificates. The issue results from dereferencing a NULL pointer. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20508."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-476",
              "description": "CWE-476: NULL Pointer Dereference",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-05-03T01:55:58.472Z",
        "orgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
        "shortName": "zdi"
      },
      "references": [
        {
          "name": "ZDI-23-1065",
          "tags": [
            "x_research-advisory"
          ],
          "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-1065/"
        }
      ],
      "source": {
        "lang": "en",
        "value": "Team ECQ"
      },
      "title": "Softing edgeConnector Siemens OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
    "assignerShortName": "zdi",
    "cveId": "CVE-2023-27336",
    "datePublished": "2024-05-03T01:55:58.472Z",
    "dateReserved": "2023-02-28T17:58:45.479Z",
    "dateUpdated": "2024-08-02T12:09:43.421Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-27336\",\"sourceIdentifier\":\"zdi-disclosures@trendmicro.com\",\"published\":\"2024-05-03T02:15:10.807\",\"lastModified\":\"2025-08-13T00:04:00.463\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Softing edgeConnector Siemens OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Softing edgeConnector Siemens. Authentication is not required to exploit this vulnerability.\\n\\nThe specific flaw exists within the handling of OPC client certificates. The issue results from dereferencing a NULL pointer. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20508.\"},{\"lang\":\"es\",\"value\":\"Softing edgeConnector Siemens OPC UA Server Vulnerabilidad de denegaci\u00f3n de servicio de desreferencia de puntero nulo. Esta vulnerabilidad permite a atacantes remotos crear una condici\u00f3n de denegaci\u00f3n de servicio en las instalaciones afectadas de Softing edgeConnector Siemens. No se requiere autenticaci\u00f3n para aprovechar esta vulnerabilidad. La falla espec\u00edfica existe en el manejo de certificados de cliente OPC. El problema se debe a la eliminaci\u00f3n de la referencia a un puntero NULL. Un atacante puede aprovechar esta vulnerabilidad para crear una condici\u00f3n de denegaci\u00f3n de servicio en el sistema. Era ZDI-CAN-20508.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"zdi-disclosures@trendmicro.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"zdi-disclosures@trendmicro.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:softing:edgeaggregator:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"3.70\",\"matchCriteriaId\":\"5ED10461-171A-4AC4-A26E-43EA002D6716\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:softing:edgeconnector:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"3.70\",\"matchCriteriaId\":\"E3896509-18EA-4FCA-B96E-FC2053898665\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:softing:secure_integration_server:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.30\",\"matchCriteriaId\":\"6088DDC3-8E06-4782-8069-E3ABF8094A3D\"}]}]}],\"references\":[{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-23-1065/\",\"source\":\"zdi-disclosures@trendmicro.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-23-1065/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-23-1065/\", \"name\": \"ZDI-23-1065\", \"tags\": [\"x_research-advisory\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T12:09:43.421Z\"}}, {\"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-27336\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-05-09T18:08:48.894972Z\"}}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:softing:edgeconnector:-:*:*:*:*:*:*:*\"], \"vendor\": \"softing\", \"product\": \"edgeconnector\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.40\"}], \"defaultStatus\": \"unknown\"}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-05-09T18:10:03.130Z\"}, \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"title\": \"Softing edgeConnector Siemens OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability\", \"source\": {\"lang\": \"en\", \"value\": \"Team ECQ\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\"}}], \"affected\": [{\"vendor\": \"Softing\", \"product\": \"edgeConnector Siemens\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.40\"}], \"defaultStatus\": \"unknown\"}], \"datePublic\": \"2023-08-09T13:05:39.861-05:00\", \"references\": [{\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-23-1065/\", \"name\": \"ZDI-23-1065\", \"tags\": [\"x_research-advisory\"]}], \"dateAssigned\": \"2023-02-28T12:05:53.960-06:00\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"Softing edgeConnector Siemens OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Softing edgeConnector Siemens. Authentication is not required to exploit this vulnerability.\\n\\nThe specific flaw exists within the handling of OPC client certificates. The issue results from dereferencing a NULL pointer. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20508.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-476\", \"description\": \"CWE-476: NULL Pointer Dereference\"}]}], \"providerMetadata\": {\"orgId\": \"99f1926a-a320-47d8-bbb5-42feb611262e\", \"shortName\": \"zdi\", \"dateUpdated\": \"2024-05-03T01:55:58.472Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-27336\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-08-02T12:09:43.421Z\", \"dateReserved\": \"2023-02-28T17:58:45.479Z\", \"assignerOrgId\": \"99f1926a-a320-47d8-bbb5-42feb611262e\", \"datePublished\": \"2024-05-03T01:55:58.472Z\", \"assignerShortName\": \"zdi\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.