{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Chris Burr"
        ]
      },
      {
        "names": [
          "Chris Burr"
        ]
      }
    ],
    "aggregate_severity": {
      "namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "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"
      },
      {
        "category": "general",
        "text": "Required. The vulnerability documented by this CVE requires customer action to resolve.",
        "title": "Customer Action"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2024-21421 Azure SDK Spoofing Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21421"
      },
      {
        "category": "self",
        "summary": "CVE-2024-21421 Azure SDK Spoofing Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/2024/msrc_cve-2024-21421.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Exploitability Index",
        "url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1"
      },
      {
        "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": "Azure SDK Spoofing Vulnerability",
    "tracking": {
      "current_release_date": "2024-03-12T07:00:00.000Z",
      "generator": {
        "date": "2024-12-31T20:19:05.731Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2024-21421",
      "initial_release_date": "2024-03-12T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2024-03-12T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c1.29.5",
            "product": {
              "name": "Azure SDK \u003c1.29.5",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "1.29.5",
            "product": {
              "name": "Azure SDK 1.29.5",
              "product_id": "11797"
            }
          }
        ],
        "category": "product_name",
        "name": "Azure SDK"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2024-21421",
      "cwe": {
        "id": "CWE-1395",
        "name": "Dependency on Vulnerable Third-Party Component"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "Customers with deployments created prior to Oct 19. 2023 must manually upgrade azure-core to Azure Core Build 1.29.5 or higher to be protected. For information reference the following: https://azure.github.io/azure-sdk/releases/latest/index.html. Customers with deployments created after October 19, 2023 recieved the fix automatically and no action is needed.",
          "title": "What actions do customers need to take to protect themselves from this vulnerability?"
        }
      ],
      "product_status": {
        "fixed": [
          "11797"
        ],
        "known_affected": [
          "1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2024-21421 Azure SDK Spoofing Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21421"
        },
        {
          "category": "self",
          "summary": "CVE-2024-21421 Azure SDK Spoofing Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21421"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-03-12T07:00:00.000Z",
          "details": "1.29.5:Security Update:https://learn.microsoft.com/en-us/dotnet/api/overview/azure/core-readme?view=azure-dotnet",
          "product_ids": [
            "1"
          ],
          "url": "https://learn.microsoft.com/en-us/dotnet/api/overview/azure/core-readme?view=azure-dotnet"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 6.5,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Spoofing"
        },
        {
          "category": "exploit_status",
          "details": "Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Azure SDK Spoofing Vulnerability"
    }
  ]
}