CVE-2023-21722
.NET Framework Denial of Service Vulnerability
MEDIUM
5
CVSS Score
Published: February 14, 2023 at 07:33 PM UTC
Updated: August 19, 2026 at 05:18 PM UTC
23 products affected across 1 vendor.NET Framework.netWindows Server 2016
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Severity
MEDIUM5
Exploit prediction
EPSS 0.9%
SSVC
No known exploit
Description
.NET Framework Denial of Service Vulnerability
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
2.0.0 ≤ v < 2.0.50727.89663.0.0 ≤ v < 2.0.50727.89663.5.0 ≤ v < 3.5.50727.89664.7.0 ≤ v < 10.0.04038.034.7.0 ≤ v < 10.0.10240.197474.7.0 ≤ v < 4.7.04038.064.7.0 ≤ v < 4.7.04614.084.8.0 ≤ v < 10.0.04614.064.8.0 ≤ v < 4.8.4614.084.8.1 ≤ v < 10.0.09139.02
Affected range stops below 10.0.04038.03, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.04614.06, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.09139.02, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.10240.19747, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.0.50727.8966, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.5.50727.8966, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.7.04038.06, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.7.04614.08, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.8.4614.08, so it looks safe — our inference, not a vendor statement
2.0.0 ≤ v < 2.0.50727.89663.0.0 ≤ v < 2.0.50727.89663.5.0 ≤ v < 3.5.50727.89664.7.0 ≤ v < 10.0.04038.034.7.0 ≤ v < 10.0.10240.197474.7.0 ≤ v < 4.7.04038.064.7.0 ≤ v < 4.7.04614.084.8.0 ≤ v < 10.0.04614.064.8.0 ≤ v < 4.8.4614.084.8.1 ≤ v < 10.0.09139.022.0 sp22.0.03.0 sp23.0.03.53.5.03.5.14.6.24.74.7.04.7.14.7.24.84.8.04.8.1
Affected range stops below 10.0.04038.03, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.04614.06, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.09139.02, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.10240.19747, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.0.50727.8966, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.5.50727.8966, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.7.04038.06, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.7.04614.08, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.8.4614.08, so it looks safe — our inference, not a vendor statement
microsoft-windows-10-1507 (environment) · microsoft-windows-10-1511 (environment) · microsoft-windows-10-1607 (environment) · microsoft-windows-10-1703 (environment) · microsoft-windows-10-1709 (environment) · microsoft-windows-10-1803 (environment) · microsoft-windows-10-1809 (environment) · microsoft-windows-10-1903 (environment) · microsoft-windows-10-1909 (environment) · microsoft-windows-10-2004 (environment) · microsoft-windows-10-20h2 (environment) · microsoft-windows-10-21h1 (environment) · microsoft-windows-10-21h2 (environment) · microsoft-windows-10-22h2 (environment) · microsoft-windows-11-21h2 (environment) · microsoft-windows-11-22h2 (environment) · microsoft-windows-server-2008 (environment) · microsoft-windows-server-2012 (environment) · microsoft-windows-server-2016 (environment) · microsoft-windows-server-2019 (environment) · microsoft-windows-server-2022 (environment)
80%
All versions
80%
All versions
80%
All versions
80%
All versions
80%
All versions
80%
All versions
80%
All versions
80%
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
Vendor AdvisoryPatch
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21722SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
5MEDIUMmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-59NVD-CWE-noinfo
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