CVE-2021-26858 (GCVE-0-2021-26858)
Vulnerability from cvelistv5
Published
2021-03-02 23:55
Modified
2025-02-04 19:24
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
CWE
  • Remote Code Execution
Summary
Microsoft Exchange Server Remote Code Execution Vulnerability
References
secure@microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26858Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26858Patch, Vendor Advisory
Impacted products
Vendor Product Version
Microsoft Microsoft Exchange Server 2019 Version: 15.02.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2019:*:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2013 Cumulative Update 22 Version: 15.00.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2019 Cumulative Update 2 Version: 15.02.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2016 Cumulative Update 13 Version: 15.01.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Version: 15.00.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2019 Cumulative Update 3 Version: 15.02.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2016 Cumulative Update 14 Version: 15.01.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2019 Cumulative Update 4 Version: 15.02.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2016 Cumulative Update 15 Version: 15.01.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2019 Cumulative Update 5 Version: 15.02.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2019 Cumulative Update 6 Version: 15.02.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2016 Cumulative Update 16 Version: 15.01.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2016 Cumulative Update 17 Version: 15.01.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2019 Cumulative Update 7 Version: 15.02.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2016 Cumulative Update 18 Version: 15.01.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Version: 15.01.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Version: 15.02.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2013 Cumulative Update 21 Version: 15.00.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2016 Cumulative Update 12 Version: 15.01.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2016 Cumulative Update 8 Version: 15.01.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2019 Cumulative Update 1 Version: 15.02.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2016 Cumulative Update 9 Version: 15.01.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2016 Cumulative Update 10 Version: 15.01.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:*
 Create a notification for this product.
   Microsoft Microsoft Exchange Server 2016 Cumulative Update 11 Version: 15.01.0   < publication
    cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*
 Create a notification for this product.
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 2021-11-03

Due date: 2021-04-16

Required action: Apply updates per vendor instructions.

Used in ransomware: Known

Notes: Reference CISA's ED 21-02 (https://www.cisa.gov/news-events/directives/ed-21-02-mitigate-microsoft-exchange-premises-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-02. https://nvd.nist.gov/vuln/detail/CVE-2021-26858

Show details on NVD website

To clipboard 

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      "dateAdded": "2021-11-03",
      "dueDate": "2021-04-16",
      "knownRansomwareCampaignUse": "Known",
      "notes": "Reference CISA\u0027s ED 21-02 (https://www.cisa.gov/news-events/directives/ed-21-02-mitigate-microsoft-exchange-premises-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-02. https://nvd.nist.gov/vuln/detail/CVE-2021-26858",
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      "requiredAction": "Apply updates per vendor instructions.",
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Este ID de CVE es diferente de CVE-2021-26412, CVE-2021-26854, CVE-2021-26855, CVE-2021-26857, CVE-2021-27065, 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    "vulnrichment": {
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      "cveMetadata": "{\"cveId\": \"CVE-2021-26858\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-04T19:24:39.137Z\", \"dateReserved\": \"2021-02-08T00:00:00.000Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2021-03-02T23:55:27.000Z\", \"assignerShortName\": \"microsoft\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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