MSRC_CVE-2022-21837

Vulnerability from csaf_microsoft - Published: 2022-01-11 08:00 - Updated: 2022-01-12 08:00
Summary
Microsoft SharePoint Server Remote Code Execution Vulnerability
Severity
Important
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.
CVE-2022-21837
8.3 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C
Vendor Fix 16.0.5266.1000:Security Update:https://support.microsoft.com/help/5002113 https://support.microsoft.com/help/5002113
Vendor Fix 16.0.10382.20004:Security Update:https://support.microsoft.com/help/5002109 https://support.microsoft.com/help/5002109
Vendor Fix 16.0.14326.20714:Security Update:https://support.microsoft.com/help/5002111 https://support.microsoft.com/help/5002111
Vendor Fix 15.0.5415.1000:Security Update:https://support.microsoft.com/help/5002127 https://support.microsoft.com/help/5002127
References
Acknowledgments
<a href="https://twitter.com/edwardzpeng">Zhiniang Peng</a> with <a href="https://www.sangfor.com/">Sangfor</a>
<a href="https://twitter.com/cjm00nw">Yuhao Weng</a> with <a href="https://www.sangfor.com/">Sangfor</a>
To clipboard 

{
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    "acknowledgments": [
      {
        "names": [
          "\u003ca href=\"https://twitter.com/edwardzpeng\"\u003eZhiniang Peng\u003c/a\u003e with \u003ca href=\"https://www.sangfor.com/\"\u003eSangfor\u003c/a\u003e"
        ]
      },
      {
        "names": [
          "\u003ca href=\"https://twitter.com/cjm00nw\"\u003eYuhao Weng\u003c/a\u003e with \u003ca href=\"https://www.sangfor.com/\"\u003eSangfor\u003c/a\u003e"
        ]
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        "title": "Additional Resources"
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      {
        "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"
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    "publisher": {
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    "title": "Microsoft SharePoint Server Remote Code Execution Vulnerability",
    "tracking": {
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        "category": "product_name",
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  "vulnerabilities": [
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      "notes": [
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          "category": "general",
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          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "An authenticated attacker with access to the domain could perform remote code execution on the SharePoint server to elevate themselves to SharePoint admin.",
          "title": "How could an attacker exploit the vulnerability?"
        }
      ],
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        },
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          "url": "https://msrc.microsoft.com/csaf/advisories/2022/msrc_cve-2022-21837.json"
        }
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      "scores": [
        {
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            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 8.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 7.2,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C",
            "version": "3.1"
          },
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            "2",
            "3",
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          ]
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Remote Code Execution"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Microsoft SharePoint Server Remote Code Execution Vulnerability"
    }
  ]
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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