{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "\u003ca href=\"https://github.com/zcgonvh\"\u003ezcgonvh\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-2023-38185 Microsoft Exchange Server Remote Code Execution Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38185"
      },
      {
        "category": "self",
        "summary": "CVE-2023-38185 Microsoft Exchange Server Remote Code Execution Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/2023/msrc_cve-2023-38185.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 Exchange Server Remote Code Execution Vulnerability",
    "tracking": {
      "current_release_date": "2023-08-15T07:00:00.000Z",
      "generator": {
        "date": "2025-01-01T01:58:31.422Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2023-38185",
      "initial_release_date": "2023-08-08T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2023-08-08T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2023-08-09T07:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added FAQ regarding a new known issue in the August Exchange security updates."
        },
        {
          "date": "2023-08-15T07:00:00.000Z",
          "legacy_version": "2",
          "number": "3",
          "summary": "The known issue affecting the non-English August updates of Exchange Server has been resolved.  Microsoft recommends installing the updated packages as soon as possible."
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c15.02.1258.025",
            "product": {
              "name": "Microsoft Exchange Server 2019 Cumulative Update 13 \u003c15.02.1258.025",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "15.02.1258.025",
            "product": {
              "name": "Microsoft Exchange Server 2019 Cumulative Update 13 15.02.1258.025",
              "product_id": "12191"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Exchange Server 2019 Cumulative Update 13"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c15.02.1118.037",
            "product": {
              "name": "Microsoft Exchange Server 2019 Cumulative Update 12 \u003c15.02.1118.037",
              "product_id": "3"
            }
          },
          {
            "category": "product_version",
            "name": "15.02.1118.037",
            "product": {
              "name": "Microsoft Exchange Server 2019 Cumulative Update 12 15.02.1118.037",
              "product_id": "12038"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Exchange Server 2019 Cumulative Update 12"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c15.01.2507.032",
            "product": {
              "name": "Microsoft Exchange Server 2016 Cumulative Update 23 \u003c15.01.2507.032",
              "product_id": "2"
            }
          },
          {
            "category": "product_version",
            "name": "15.01.2507.032",
            "product": {
              "name": "Microsoft Exchange Server 2016 Cumulative Update 23 15.01.2507.032",
              "product_id": "12039"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Exchange Server 2016 Cumulative Update 23"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-38185",
      "cwe": {
        "id": "CWE-23",
        "name": "Relative Path Traversal"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "The attacker for this vulnerability could target the server accounts in an arbitrary or remote code execution. As an authenticated user, the attacker could attempt to trigger malicious code in the context of the server\u0027s account through a network call.",
          "title": "According to the CVSS metric, the attack vector is network (AV:N) and the user interaction is none (UI:N). What is the target used in the context of the remote code execution?"
        },
        {
          "category": "faq",
          "text": "Yes, the attacker must be authenticated.",
          "title": "According to the CVSS metric, privileges required is low (PR:L). Does the attacker need to be in an authenticated role on the Exchange Server?"
        },
        {
          "category": "faq",
          "text": "In a network-based attack, an attacker could trigger malicious code in the context of the server\u0027s account through a network call.",
          "title": "How could an attacker exploit this vulnerability?"
        },
        {
          "category": "faq",
          "text": "Yes, an issue has been discovered with the non-English August updates of Exchange Server and you should postpone installing these updates.  The script protecting customers from the vulnerability documented by CVE-2023-21709 can be run to protect against the vulnerability without installing the August updates. Microsoft recommends running the script.\nAugust 15, 2023 Update: The known issue affecting the non-English August updates of Exchange Server has been resolved.  Microsoft recommends installing the updated packages as soon as possible.\nPlease see the Exchange Blog for more information.",
          "title": "Is there anything that I should be aware of if I\u0027m running a non-English operating system and version of Exchange server?"
        }
      ],
      "product_status": {
        "fixed": [
          "12038",
          "12039",
          "12191"
        ],
        "known_affected": [
          "1",
          "2",
          "3"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-38185 Microsoft Exchange Server Remote Code Execution Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38185"
        },
        {
          "category": "self",
          "summary": "CVE-2023-38185 Microsoft Exchange Server Remote Code Execution Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38185"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-08-08T07:00:00.000Z",
          "details": "15.02.1258.025:Security Update:https://support.microsoft.com/help/5030524",
          "product_ids": [
            "1"
          ],
          "url": "https://support.microsoft.com/help/5030524"
        },
        {
          "category": "vendor_fix",
          "date": "2023-08-08T07:00:00.000Z",
          "details": "15.02.1118.037:Security Update:https://support.microsoft.com/help/5030524",
          "product_ids": [
            "3"
          ],
          "url": "https://support.microsoft.com/help/5030524"
        },
        {
          "category": "vendor_fix",
          "date": "2023-08-08T07:00:00.000Z",
          "details": "15.01.2507.032:Security Update:https://support.microsoft.com/help/5030524",
          "product_ids": [
            "2"
          ],
          "url": "https://support.microsoft.com/help/5030524"
        }
      ],
      "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 Less Likely"
        }
      ],
      "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
    }
  ]
}