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CVE EVIDENCE REVIEW
ReviewHighEvidence review

CVE-2023-21808 evidence review

Microsoft .NET 6.0, .NET 7.0, Microsoft .NET Framework 3.5 and 4.6.2

CVE-2023-21808 affects Microsoft .NET 6.0, .NET 7.0, Microsoft .NET Framework 3.5 and 4.6.2. Review the CVSS score, exploitation signals, affected versions, remediation status, and linked source material before making a change.

Open CVE record
Evidence review

This record remains available for product and version identification, but it is not presented as a complete remediation procedure. Confirm the affected range and the supported fix in a direct vendor advisory before changing production systems.

ProductMicrosoft .NET 6.0, .NET 7.0, Microsoft .NET Framework 3.5 and 4.6.2
Affected versions>= 6.0.0 < 6.0.14, >= 7.0.0 < 7.0.3, >= 4.7.0 < 10.0.10240.19747, >= 4.7.0 < 10.0.04038.03, >= 4.8.0 < 10.0.04614.06, >= 4.8.1 < 10.0.09139.02, >= 4.7.0 < 4.7.04038.06, >= 4.7.0 < 4.7.04614.08, >= 4.8.0 < 4.8.04614.05, >= 12.0.0 < 12.0.40700.0, >= 14.0.0 < 14.0.27555.0, >= 15.9.0 < 15.9.52, >= 16.11.0 < 16.11.24, >= 17.0.0 < 17.0.19, >= 17.2.0 < 17.2.13, >= 17.4.0 < 17.4.5, >= 7.2.0 < 7.2.10, 6.0.0, 7.0.0, >= 15.0 < 15.9.51
Fixed versions15.9.51, 16.11.24
Priority basisReview · CVSS 7.8 · EPSS 1.15%
01

Identify the product and installed version

Record whether Microsoft .NET 6.0, .NET 7.0, Microsoft .NET Framework 3.5 and 4.6.2 is present, where it is installed, and which interfaces are exposed.

  • Record the product name, package or appliance identifier, and installed version.
  • Identify internet-facing, administrative, API, and internal access paths.
  • Preserve the pre-change configuration and relevant service logs.
02

Compare the affected range

Use the current record as an identification aid: >= 6.0.0 < 6.0.14, >= 7.0.0 < 7.0.3, >= 4.7.0 < 10.0.10240.19747, >= 4.7.0 < 10.0.04038.03, >= 4.8.0 < 10.0.04614.06, >= 4.8.1 < 10.0.09139.02, >= 4.7.0 < 4.7.04038.06, >= 4.7.0 < 4.7.04614.08, >= 4.8.0 < 4.8.04614.05, >= 12.0.0 < 12.0.40700.0, >= 14.0.0 < 14.0.27555.0, >= 15.9.0 < 15.9.52, >= 16.11.0 < 16.11.24, >= 17.0.0 < 17.0.19, >= 17.2.0 < 17.2.13, >= 17.4.0 < 17.4.5, >= 7.2.0 < 7.2.10, 6.0.0, 7.0.0, >= 15.0 < 15.9.51. Resolve incomplete inventory results before deciding that an asset is unaffected.

03

Verify the authoritative remediation source

Open the linked source material and locate a direct vendor advisory for this CVE. Confirm the supported fixed release and product-specific update path before making a production change.

Operational boundary

This page does not replace the vendor advisory, support contract, change-management process, or recovery plan. Do not infer that an asset is unaffected from an incomplete inventory query or a missing fixed-version field.