CVE-2021-1723 (GCVE-0-2021-1723)

Vulnerability from cvelistv5 – Published: 2021-01-12 19:42 – Updated: 2026-05-28 18:48
VLAI
Title
ASP.NET Core and Visual Studio Denial of Service Vulnerability
Summary
ASP.NET Core and Visual Studio Denial of Service Vulnerability
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Microsoft ASP.NET Core 3.1 Affected: 3.0 , < publication (custom)
    cpe:2.3:a:microsoft:asp.net_core:3.1:*:*:*:*:*:*:*
 Create a notification for this product.
Microsoft ASP.NET Core 5.0 Affected: 5.0 , < publication (custom)
    cpe:2.3:a:microsoft:asp.net_core:5.0:*:*:*:*:*:*:*
 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 2019 version 16.8 Affected: 16.0 , < publication (custom)
    cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*
 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.
Date Public
2021-01-12 08:00
Show details on NVD website
To clipboard 

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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.