{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "<a href=\"https://github.com/zcgonvh\">zcgonvh</a>"
        ]
      }
    ],
    "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-2023-33134 Microsoft SharePoint Server Remote Code Execution Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33134"
      },
      {
        "category": "self",
        "summary": "CVE-2023-33134 Microsoft SharePoint Server Remote Code Execution Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/2023/msrc_cve-2023-33134.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": "Microsoft SharePoint Server Remote Code Execution Vulnerability",
    "tracking": {
      "current_release_date": "2023-07-11T07:00:00.000Z",
      "generator": {
        "date": "2025-01-01T01:51:50.927Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2023-33134",
      "initial_release_date": "2023-07-11T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2023-07-11T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "<16.0.5404.1000",
            "product": {
              "name": "Microsoft SharePoint Enterprise Server 2016 <16.0.5404.1000",
              "product_id": "3"
            }
          },
          {
            "category": "product_version",
            "name": "16.0.5404.1000",
            "product": {
              "name": "Microsoft SharePoint Enterprise Server 2016 16.0.5404.1000",
              "product_id": "10950"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft SharePoint Enterprise Server 2016"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "<16.0.10400.20008",
            "product": {
              "name": "Microsoft SharePoint Server 2019 <16.0.10400.20008",
              "product_id": "2"
            }
          },
          {
            "category": "product_version",
            "name": "16.0.10400.20008",
            "product": {
              "name": "Microsoft SharePoint Server 2019 16.0.10400.20008",
              "product_id": "11585"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft SharePoint Server 2019"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "<16.0.16130.20642",
            "product": {
              "name": "Microsoft SharePoint Server Subscription Edition <16.0.16130.20642",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "16.0.16130.20642",
            "product": {
              "name": "Microsoft SharePoint Server Subscription Edition 16.0.16130.20642",
              "product_id": "11961"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft SharePoint Server Subscription Edition"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-33134",
      "cwe": {
        "id": "CWE-502",
        "name": "Deserialization of Untrusted Data"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "Within a SharePoint site, the attacker must be authenticated, and they would need to have the “Use Remote Interfaces” and “Add and Customize Pages” permissions on a Policy Center site to be able to exploit this vulnerability.",
          "title": "According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?"
        },
        {
          "category": "faq",
          "text": "In a network-based attack, the attacker must be authenticated to a SharePoint Online tenant associated with a hybrid deployment to tamper with data. This tampered data is synchronized down to the on-premises server and exploits the vulnerability. The attackers code will run in the context of the SharePoint timer service on the on-premises server.",
          "title": "What is the attack vector for this vulnerability?"
        }
      ],
      "product_status": {
        "fixed": [
          "10950",
          "11585",
          "11961"
        ],
        "known_affected": [
          "1",
          "2",
          "3"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-33134 Microsoft SharePoint Server Remote Code Execution Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33134"
        },
        {
          "category": "self",
          "summary": "CVE-2023-33134 Microsoft SharePoint Server Remote Code Execution Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33134"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-07-11T07:00:00.000Z",
          "details": "16.0.5404.1000:Security Update:https://support.microsoft.com/help/5002425",
          "product_ids": [
            "3"
          ],
          "url": "https://support.microsoft.com/help/5002425"
        },
        {
          "category": "vendor_fix",
          "date": "2023-07-11T07:00:00.000Z",
          "details": "16.0.10400.20008:Security Update:https://support.microsoft.com/help/5002423",
          "product_ids": [
            "2"
          ],
          "url": "https://support.microsoft.com/help/5002423"
        },
        {
          "category": "vendor_fix",
          "date": "2023-07-11T07:00:00.000Z",
          "details": "16.0.16130.20642:Security Update:https://support.microsoft.com/help/5002424",
          "product_ids": [
            "1"
          ],
          "url": "https://support.microsoft.com/help/5002424"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 7.7,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Remote Code Execution"
        },
        {
          "category": "exploit_status",
          "details": "Exploited:No;Latest Software Release:Exploitation More Likely"
        }
      ],
      "title": "Microsoft SharePoint Server Remote Code Execution Vulnerability"
    }
  ]
}