CVE-2021-26701 (GCVE-0-2021-26701)

Vulnerability from cvelistv5 – Published: 2021-02-25 23:02 – Updated: 2026-05-28 19:31
VLAI
Title
.NET Core Remote Code Execution Vulnerability
Summary
.NET Core Remote Code Execution Vulnerability
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Microsoft .NET Core 2.1 Affected: 2.1 , < publication (custom)
    cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*
 Create a notification for this product.
Microsoft .NET Core 3.1 Affected: 3.1 , < publication (custom)
    cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*
 Create a notification for this product.
Microsoft .NET 5.0 Affected: 5.0.0 , < publication (custom)
    cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
 Create a notification for this product.
Microsoft Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3) Affected: 16.0 , < publication (custom)
    cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*
 Create a notification for this product.
Microsoft Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) Affected: 15.9.0 , < publication (custom)
    cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:*
 Create a notification for this product.
Microsoft Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6) Affected: 16.0.0 , < publication (custom)
    cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*
 Create a notification for this product.
Microsoft Visual Studio 2019 for Mac Affected: 8.0.0 , < publication (custom)
    cpe:2.3:a:microsoft:visual_studio_2019:-:*:*:*:*:macos:*:*
 Create a notification for this product.
Microsoft Microsoft Visual Studio 2019 version 16.8 (includes 16.0 - 16.7) Affected: 16.0 , < publication (custom)
    cpe:2.3:a:microsoft:visual_studio_2019:16.8:*:*:*:*:*:*:*
 Create a notification for this product.
Microsoft Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8) Affected: 15.0.0 , < publication (custom)
    cpe:2.3:a:microsoft:visual_studio_2019:16.9:*:*:*:*:*:*:*
 Create a notification for this product.
Microsoft PowerShell Core 7.1 Affected: 7.1.0 , < publication (custom)
    cpe:2.3:a:microsoft:powershell_core:*:*:*:*:*:*:*:*
 Create a notification for this product.
Microsoft PowerShell Core 7.0 Affected: 7.0.0 , < publication (custom)
    cpe:2.3:a:microsoft:powershell_core:*:*:*:*:*:*:*:*
 Create a notification for this product.
Date Public
2021-02-09 08:00
Show details on NVD website
To clipboard 

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      "cveMetadata": "{\"cveId\": \"CVE-2021-26701\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-28T19:31:26.157Z\", \"dateReserved\": \"2021-02-05T00:00:00.000Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2021-02-25T23:02:00.000Z\", \"assignerShortName\": \"microsoft\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.


Detection rules are retrieved from Rulezet.