{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "R4nger \u0026 Zhiniang Peng with HUST"
        ]
      }
    ],
    "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-2025-21199 Azure Agent Installer for Backup and Site Recovery Elevation of Privilege Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21199"
      },
      {
        "category": "self",
        "summary": "CVE-2025-21199 Azure Agent Installer for Backup and Site Recovery Elevation of Privilege Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-21199.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 Agent Installer for Backup and Site Recovery Elevation of Privilege Vulnerability",
    "tracking": {
      "current_release_date": "2025-04-25T07:00:00.000Z",
      "generator": {
        "date": "2025-05-19T21:37:53.565Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2025-21199",
      "initial_release_date": "2025-03-11T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2025-03-11T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2025-04-25T07:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Updated acknowledgment. This is an informational change only."
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c9.30",
            "product": {
              "name": "Azure Agent for Site Recovery \u003c9.30",
              "product_id": "2"
            }
          },
          {
            "category": "product_version",
            "name": "9.30",
            "product": {
              "name": "Azure Agent for Site Recovery 9.30",
              "product_id": "12473"
            }
          }
        ],
        "category": "product_name",
        "name": "Azure Agent for Site Recovery"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c2.0.9940.0",
            "product": {
              "name": "Azure Agent for Backup \u003c2.0.9940.0",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "2.0.9940.0",
            "product": {
              "name": "Azure Agent for Backup 2.0.9940.0",
              "product_id": "12511"
            }
          }
        ],
        "category": "product_name",
        "name": "Azure Agent for Backup"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-21199",
      "cwe": {
        "id": "CWE-269",
        "name": "Improper Privilege Management"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "Successful exploitation of this vulnerability requires an administrator to install the VM agent on the target device where an attacker has planted specially crafted malicious files.",
          "title": "According to the CVSS metric, user interaction is required (UI:R). What does that mean for this vulnerability?"
        },
        {
          "category": "faq",
          "text": "Successful exploitation of this vulnerability requires an attacker to have access to the location where the target file will be run. They would then need to plant a specific file that would be used as part of the exploitation.",
          "title": "According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?"
        },
        {
          "category": "faq",
          "text": "An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.",
          "title": "What privileges could be gained by an attacker who successfully exploited this vulnerability?"
        },
        {
          "category": "faq",
          "text": "Successful exploitation of this vulnerability requires an attacker to take additional actions prior to exploitation to prepare the target environment.",
          "title": "According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?"
        },
        {
          "category": "faq",
          "text": "ASR V2A Agent (Classic VMware/Physical to Azure): ASR V2A Agent (Classic VMware/Physical to Azure), 9.63.7233.1: 9.63.7233.1, ASR H2A Agent\t(Hyper-V or VMM to Azure): ASR H2A Agent\t(Hyper-V or VMM to Azure), 5.1.8116.0: 5.1.8116.0, ASR Mars: ASR Mars, 2.0.9940.0: 2.0.9940.0\n**Are there any any prerequisites for installing the update?\nTo install Microsoft Azure Site Recovery Provider Update Rollup 76, you must have one of the following installed:\nMicrosoft Azure Site Recovery Provider (version 5.23.x or a later version), Microsoft Azure Recovery Services Agent (version 2.0.9263.0 or a later version)",
          "title": "What are the fixed build numbers for the versions of Azure Site Recovery addressed in Update Rollup 76 for Azure Site Recovery?"
        }
      ],
      "product_status": {
        "fixed": [
          "12473",
          "12511"
        ],
        "known_affected": [
          "1",
          "2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-21199 Azure Agent Installer for Backup and Site Recovery Elevation of Privilege Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21199"
        },
        {
          "category": "self",
          "summary": "CVE-2025-21199 Azure Agent Installer for Backup and Site Recovery Elevation of Privilege Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-21199.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-03-11T07:00:00.000Z",
          "details": "9.30:Security Update:https://support.microsoft.com/en-us/topic/update-rollup-76-for-azure-site-recovery-6ca6833a-5b0f-4bdf-9946-41cd0aa8d6e4",
          "product_ids": [
            "2"
          ],
          "url": "https://support.microsoft.com/en-us/topic/update-rollup-76-for-azure-site-recovery-6ca6833a-5b0f-4bdf-9946-41cd0aa8d6e4"
        },
        {
          "category": "vendor_fix",
          "date": "2025-03-11T07:00:00.000Z",
          "details": "2.0.9940.0:Security Update:https://support.microsoft.com/en-us/topic/update-for-azure-backup-for-microsoft-azure-recovery-services-agent-706ac5f8-b61d-4e5f-abc1-91e15af784cf",
          "product_ids": [
            "1"
          ],
          "url": "https://support.microsoft.com/en-us/topic/update-for-azure-backup-for-microsoft-azure-recovery-services-agent-706ac5f8-b61d-4e5f-abc1-91e15af784cf"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 5.8,
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Elevation of Privilege"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Azure Agent Installer for Backup and Site Recovery Elevation of Privilege Vulnerability"
    }
  ]
}