msrc_cve-2023-21761
Vulnerability from csaf_microsoft
Published
2023-01-10 08:00
Modified
2023-01-10 08:00
Summary
Microsoft Exchange Server Information Disclosure Vulnerability

Notes

Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
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.
Customer Action
Required. The vulnerability documented by this CVE requires customer action to resolve.


To clipboard 

{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "nicolas joly"
        ]
      }
    ],
    "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-2023-21761 Microsoft Exchange Server Information Disclosure Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21761"
      },
      {
        "category": "self",
        "summary": "CVE-2023-21761 Microsoft Exchange Server Information Disclosure Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/2023/msrc_cve-2023-21761.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 Information Disclosure Vulnerability",
    "tracking": {
      "current_release_date": "2023-01-10T08:00:00.000Z",
      "generator": {
        "date": "2025-01-01T00:35:27.487Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2023-21761",
      "initial_release_date": "2023-01-10T08:00:00.000Z",
      "revision_history": [
        {
          "date": "2023-01-10T08:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c15.01.2507.017",
            "product": {
              "name": "Microsoft Exchange Server 2016 Cumulative Update 23 \u003c15.01.2507.017",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "15.01.2507.017",
            "product": {
              "name": "Microsoft Exchange Server 2016 Cumulative Update 23 15.01.2507.017",
              "product_id": "12039"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Exchange Server 2016 Cumulative Update 23"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c15.02.0986.037",
            "product": {
              "name": "Microsoft Exchange Server 2019 Cumulative Update 11 \u003c15.02.0986.037",
              "product_id": "3"
            }
          },
          {
            "category": "product_version",
            "name": "15.02.0986.037",
            "product": {
              "name": "Microsoft Exchange Server 2019 Cumulative Update 11 15.02.0986.037",
              "product_id": "11957"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Exchange Server 2019 Cumulative Update 11"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c15.02.1118.021",
            "product": {
              "name": "Microsoft Exchange Server 2019 Cumulative Update 12 \u003c15.02.1118.021",
              "product_id": "2"
            }
          },
          {
            "category": "product_version",
            "name": "15.02.1118.021",
            "product": {
              "name": "Microsoft Exchange Server 2019 Cumulative Update 12 15.02.1118.021",
              "product_id": "12038"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Exchange Server 2019 Cumulative Update 12"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-21761",
      "cwe": {
        "id": "CWE-918",
        "name": "Server-Side Request Forgery (SSRF)"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "The type of information that could be disclosed if an attacker successfully exploited this vulnerability is sensitive information.",
          "title": "What type of information could be disclosed by this vulnerability?"
        }
      ],
      "product_status": {
        "fixed": [
          "11957",
          "12038",
          "12039"
        ],
        "known_affected": [
          "1",
          "2",
          "3"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-21761 Microsoft Exchange Server Information Disclosure Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21761"
        },
        {
          "category": "self",
          "summary": "CVE-2023-21761 Microsoft Exchange Server Information Disclosure Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21761"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-01-10T08:00:00.000Z",
          "details": "15.01.2507.017:Security Update:https://support.microsoft.com/help/5022143",
          "product_ids": [
            "1"
          ],
          "url": "https://support.microsoft.com/help/5022143"
        },
        {
          "category": "vendor_fix",
          "date": "2023-01-10T08:00:00.000Z",
          "details": "15.02.0986.037:Security Update:https://support.microsoft.com/help/5022193",
          "product_ids": [
            "3"
          ],
          "url": "https://support.microsoft.com/help/5022193"
        },
        {
          "category": "vendor_fix",
          "date": "2023-01-10T08:00:00.000Z",
          "details": "15.02.1118.021:Security Update:https://support.microsoft.com/help/5022193",
          "product_ids": [
            "2"
          ],
          "url": "https://support.microsoft.com/help/5022193"
        }
      ],
      "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",
            "2",
            "3"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Information Disclosure"
        },
        {
          "category": "exploit_status",
          "details": "Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Microsoft Exchange Server Information Disclosure Vulnerability"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.