{
  "GSD": {
    "alias": "CVE-2023-34433",
    "id": "GSD-2023-34433"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-34433"
      ],
      "details": "\n\n\n\n\n\n\n\n\n\n\n\n\nPiiGAB M-Bus stores passwords using a weak hash algorithm.\n\n",
      "id": "GSD-2023-34433",
      "modified": "2023-12-13T01:20:30.753975Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "ics-cert@hq.dhs.gov",
        "ID": "CVE-2023-34433",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "M-Bus SoftwarePack",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "900S"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "PiiGAB "
            }
          ]
        }
      },
      "credits": [
        {
          "lang": "en",
          "value": "Floris Hendriks and Jeroen Wijenbergh of Radboud University reported these vulnerabilities to CISA."
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "\n\n\n\n\n\n\n\n\n\n\n\n\nPiiGAB M-Bus stores passwords using a weak hash algorithm.\n\n"
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.1.0-dev"
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-916",
                "lang": "eng",
                "value": "CWE-916 Use of Password Hash With Insufficient Computational Effort"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-187-01",
            "refsource": "MISC",
            "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-187-01"
          }
        ]
      },
      "solution": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\n\n\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003ePiiGAB created updated software to address these issues and encourages users to install the new update on their own gateway. The new software packages can be downloaded directly from the web UI in the gateway and older gateways can download it from \u003c/span\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"http://www.piigab.se/\"\u003ePiigab.se\u003c/a\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u0026nbsp;or \u003c/span\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.piigab.com/\"\u003ePiigab.com\u003c/a\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e.\u003c/span\u003e\n\n\u003cbr\u003e"
            }
          ],
          "value": "\nPiiGAB created updated software to address these issues and encourages users to install the new update on their own gateway. The new software packages can be downloaded directly from the web UI in the gateway and older gateways can download it from  Piigab.se http://www.piigab.se/ \u00a0or  Piigab.com https://www.piigab.com/ .\n\n\n"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "work_around": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\n\n\u003cp\u003eCISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:\u003c/p\u003e\u003cul\u003e\u003cli\u003eEnsure the least-privilege user principle is followed.\u003c/li\u003e\u003cli\u003eSet unique and secure passwords for all products requiring authentication.\u003c/li\u003e\u003cli\u003eMinimize network exposure for all control system devices and/or systems, and ensure they are \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01\"\u003enot accessible from the Internet\u003c/a\u003e.\u003c/li\u003e\u003cli\u003eLocate control system networks and remote devices behind firewalls and isolate them from business networks.\u003c/li\u003e\u003cli\u003eWhen remote access is required, use secure methods, such as virtual private networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as its connected devices.\u003c/li\u003e\u003c/ul\u003e\n\n\u003cbr\u003e"
            }
          ],
          "value": "\nCISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:\n\n  *  Ensure the least-privilege user principle is followed.\n  *  Set unique and secure passwords for all products requiring authentication.\n  *  Minimize network exposure for all control system devices and/or systems, and ensure they are  not accessible from the Internet https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01 .\n  *  Locate control system networks and remote devices behind firewalls and isolate them from business networks.\n  *  When remote access is required, use secure methods, such as virtual private networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as its connected devices.\n\n\n\n\n\n"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
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            "children": [
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:o:piigab:m-bus_900s_firmware:-:*:*:*:*:*:*:*",
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                    "vulnerable": true
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      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "ics-cert@hq.dhs.gov",
          "ID": "CVE-2023-34433"
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        "description": {
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        "problemtype": {
          "problemtype_data": [
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                  "lang": "en",
                  "value": "CWE-916"
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        "references": {
          "reference_data": [
            {
              "name": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-187-01",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory",
                "US Government Resource"
              ],
              "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-187-01"
            }
          ]
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      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-07-14T17:58Z",
      "publishedDate": "2023-07-07T00:15Z"
    }
  }
}