CVE-2021-1721 (GCVE-0-2021-1721)

Vulnerability from cvelistv5 – Published: 2021-02-25 23:01 – Updated: 2026-05-28 19:30
VLAI
Title
.NET Core and Visual Studio Denial of Service Vulnerability
Summary
.NET Core and Visual Studio Denial of Service Vulnerability
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
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 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:*:*:*:*:*:*:*:*
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Microsoft .NET Core 2.1 Affected: 2.1 , < publication (custom)
    cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*
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Microsoft .NET Core 3.1 Affected: 3.1 , < publication (custom)
    cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*
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Microsoft .NET 5.0 Affected: 5.0.0 , < publication (custom)
    cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
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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:*:*:*:*:*:*:*:*
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Microsoft Microsoft Visual Studio 2019 version 16.8 Affected: 16.0 , < publication (custom)
    cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*
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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.
Date Public
2021-02-09 08:00
Show details on NVD website
To clipboard 

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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.