CVE-2021-26423
High
Published: 12 August 2021
Published
12 August 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0337
87.6th percentile
Risk Priority
17
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-26423 is a high-severity an unspecified weakness vulnerability in Microsoft .Net Core. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 12.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-7160
Vulnerability details
.NET Core and Visual Studio Denial of Service Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
microsoft
.net
5.0 — 5.0.8
microsoft
.net core
2.1 — 2.1.28 · 3.1 — 3.1.17
microsoft
powershell core
7.0 — 7.0.7 · 7.1 — 7.1.4
microsoft
visual studio 2017
15.0 — 15.9
microsoft
visual studio 2019
8.10 · 16.0 — 16.10
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.