{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "\u003ca href=\"https://twitter.com/crispr56338851\"\u003eBochengXiang(@Crispr)\u003c/a\u003e with \u003ca href=\"https://secsys.fudan.edu.cn/\"\u003eFDU\u003c/a\u003e"
        ]
      }
    ],
    "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-2025-21195 Azure Service Fabric Runtime Elevation of Privilege Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21195"
      },
      {
        "category": "self",
        "summary": "CVE-2025-21195 Azure Service Fabric Runtime Elevation of Privilege Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-21195.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 Service Fabric Runtime Elevation of Privilege Vulnerability",
    "tracking": {
      "current_release_date": "2025-07-08T07:00:00.000Z",
      "generator": {
        "date": "2025-08-18T17:50:23.410Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2025-21195",
      "initial_release_date": "2025-07-08T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2025-07-08T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c10.1 Cumulative Update 7.0",
            "product": {
              "name": "Azure Service Fabric \u003c10.1 Cumulative Update 7.0",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "10.1 Cumulative Update 7.0",
            "product": {
              "name": "Azure Service Fabric 10.1 Cumulative Update 7.0",
              "product_id": "11743"
            }
          }
        ],
        "category": "product_name",
        "name": "Azure Service Fabric"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-21195",
      "cwe": {
        "id": "CWE-59",
        "name": "Improper Link Resolution Before File Access (\u0027Link Following\u0027)"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "If you have automatic updates, no action is needed. However, for those who choose to manually update, please refer to Manage Service Fabric cluster upgrades for instructions on how to update your Service Fabric Cluster.",
          "title": "How can I update my Service Fabric Cluster to the latest version?"
        },
        {
          "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": "This vulnerability does not allow disclosure of any confidential information, but could allow an attacker to delete data that could include data that results in the service being unavailable.",
          "title": "According to the CVSS metrics, successful exploitation of this vulnerability could lead to no loss of confidentiality (C:N) but have major impact on integrity (I:H) and on availability (A:H). 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": "Successful exploitation of this vulnerability requires an administrator to install the bootstrapping  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": "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?"
        }
      ],
      "product_status": {
        "fixed": [
          "11743"
        ],
        "known_affected": [
          "1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-21195 Azure Service Fabric Runtime Elevation of Privilege Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21195"
        },
        {
          "category": "self",
          "summary": "CVE-2025-21195 Azure Service Fabric Runtime Elevation of Privilege Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-21195.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-07-08T07:00:00.000Z",
          "details": "10.1 Cumulative Update 7.0:Security Update:https://github.com/microsoft/service-fabric/blob/master/release_notes/Service_Fabric_ReleaseNotes_101CU7.md",
          "product_ids": [
            "1"
          ],
          "url": "https://github.com/microsoft/service-fabric/blob/master/release_notes/Service_Fabric_ReleaseNotes_101CU7.md"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.0,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 5.2,
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Elevation of Privilege"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Azure Service Fabric Runtime Elevation of Privilege Vulnerability"
    }
  ]
}