{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2025-23083 With the aid of the diagnostics_channel utility, an event can be hooked into whenever a worker thread is created. This is not limited only to workers but also exposes internal workers, where an instance of them can be fetched, and its constructor can be grabbed and reinstated for malicious usage. \r\n\r\nThis vulnerability affects Permission Model users (--permission) on Node.js v20, v22, and v23. - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-23083.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "With the aid of the diagnostics_channel utility, an event can be hooked into whenever a worker thread is created. This is not limited only to workers but also exposes internal workers, where an instance of them can be fetched, and its constructor can be grabbed and reinstated for malicious usage. \r\n\r\nThis vulnerability affects Permission Model users (--permission) on Node.js v20, v22, and v23.",
    "tracking": {
      "current_release_date": "2026-02-18T02:34:11.000Z",
      "generator": {
        "date": "2026-05-22T09:19:57.704Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2025-23083",
      "initial_release_date": "2025-01-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2025-02-01T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2026-02-18T02:34:11.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cazl3 nodejs 0:20.14.0-8.azl3",
                "product": {
                  "name": "\u003cazl3 nodejs 0:20.14.0-8.azl3",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 nodejs 0:20.14.0-8.azl3",
                "product": {
                  "name": "azl3 nodejs 0:20.14.0-8.azl3",
                  "product_id": "19608"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cazl3 nodejs 0:20.14.0-4.azl3",
                "product": {
                  "name": "\u003cazl3 nodejs 0:20.14.0-4.azl3",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 nodejs 0:20.14.0-4.azl3",
                "product": {
                  "name": "azl3 nodejs 0:20.14.0-4.azl3",
                  "product_id": "19353"
                }
              }
            ],
            "category": "product_name",
            "name": "nodejs"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 nodejs 0:20.14.0-8.azl3 as a component of Azure Linux 3.0",
          "product_id": "17084-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 nodejs 0:20.14.0-8.azl3 as a component of Azure Linux 3.0",
          "product_id": "19608-17084"
        },
        "product_reference": "19608",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 nodejs 0:20.14.0-4.azl3 as a component of Azure Linux 3.0",
          "product_id": "17084-2"
        },
        "product_reference": "2",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 nodejs 0:20.14.0-4.azl3 as a component of Azure Linux 3.0",
          "product_id": "19353-17084"
        },
        "product_reference": "19353",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-23083",
      "cwe": {
        "id": "CWE-284",
        "name": "Improper Access Control"
      },
      "notes": [
        {
          "category": "general",
          "text": "hackerone",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "19608-17084",
          "19353-17084"
        ],
        "known_affected": [
          "17084-1",
          "17084-2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-23083 With the aid of the diagnostics_channel utility, an event can be hooked into whenever a worker thread is created. This is not limited only to workers but also exposes internal workers, where an instance of them can be fetched, and its constructor can be grabbed and reinstated for malicious usage. \r\n\r\nThis vulnerability affects Permission Model users (--permission) on Node.js v20, v22, and v23. - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-23083.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-02-01T00:00:00.000Z",
          "details": "0:20.14.0-4.azl3:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17084-1",
            "17084-2"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 7.7,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "17084-1",
            "17084-2"
          ]
        }
      ],
      "title": "With the aid of the diagnostics_channel utility, an event can be hooked into whenever a worker thread is created. This is not limited only to workers but also exposes internal workers, where an instance of them can be fetched, and its constructor can be grabbed and reinstated for malicious usage. \r\n\r\nThis vulnerability affects Permission Model users (--permission) on Node.js v20, v22, and v23."
    }
  ]
}