{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T07:38:00.703Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://ppn.paxengine.com/release/development"
          },
          {
            "tags": [
              "technical-description",
              "x_transferred"
            ],
            "url": "https://blog.stmcyber.com/pax-pos-cves-2023/"
          },
          {
            "tags": [
              "third-party-advisory",
              "x_transferred"
            ],
            "url": "https://cert.pl/en/posts/2024/01/CVE-2023-4818/"
          },
          {
            "tags": [
              "third-party-advisory",
              "x_transferred"
            ],
            "url": "https://cert.pl/posts/2024/01/CVE-2023-4818/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "PHYSICAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.6,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "CHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-4818",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-06-17T13:36:16.229654Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-17T13:36:53.048Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "A920",
          "vendor": "PAX Technology",
          "versions": [
            {
              "lessThan": "A920_AP_Boot_Release_V5.14",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Hubert Jasudowicz, Adam Kli\u015b and other members of STM Cyber R\u0026D team"
        }
      ],
      "datePublic": "2024-01-15T11:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cdiv\u003e\u003cspan style=\"background-color: rgba(221, 223, 228, 0.1);\"\u003ePAX A920 device allows to downgrade bootloader due to a bug in its version check. The signature is correctly checked and only bootloader signed by PAX can be used.\u0026nbsp;\u003c/span\u003e\u003c/div\u003e\u003cdiv\u003e\u003cspan style=\"background-color: rgba(221, 223, 228, 0.1);\"\u003e\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003eThe attacker must have physical USB access to the device in order to exploit this vulnerability.\u003c/span\u003e\u003c/div\u003e"
            }
          ],
          "value": "PAX A920 device allows to downgrade bootloader due to a bug in its version check. The signature is correctly checked and only bootloader signed by PAX can be used.\u00a0\n\n\n\n\nThe attacker must have physical USB access to the device in order to exploit this vulnerability."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-176",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-176 Configuration/Environment Manipulation"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-74",
              "description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component (\u0027Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-10-10T15:36:00.867Z",
        "orgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6",
        "shortName": "CERT-PL"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://ppn.paxengine.com/release/development"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://blog.stmcyber.com/pax-pos-cves-2023/"
        },
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://cert.pl/en/posts/2024/01/CVE-2023-4818/"
        },
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://cert.pl/posts/2024/01/CVE-2023-4818/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6",
    "assignerShortName": "CERT-PL",
    "cveId": "CVE-2023-4818",
    "datePublished": "2024-01-15T13:28:53.084Z",
    "dateReserved": "2023-09-07T13:18:09.776Z",
    "dateUpdated": "2025-06-17T13:36:53.048Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}