High severity8.1CISA KEVNVD Advisory· Published Jan 14, 2020· Updated Jun 17, 2026
CVE-2020-0601
CVE-2020-0601
Description
A spoofing vulnerability exists in the way Windows CryptoAPI (Crypt32.dll) validates Elliptic Curve Cryptography (ECC) certificates.An attacker could exploit the vulnerability by using a spoofed code-signing certificate to sign a malicious executable, making it appear the file was from a trusted, legitimate source, aka 'Windows CryptoAPI Spoofing Vulnerability'.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
38cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x64:*+ 4 more
- cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*+ 1 more
- cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:arm64:*+ 2 more
- cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:arm64:*+ 2 more
- cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:arm64:*+ 2 more
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:arm64:*+ 2 more
- cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_server_1803:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_1903:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_1909:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
- Microsoft/Windows 10 Version 1903 for 32-bit Systemsv5Range: unspecified
- Microsoft/Windows 10 Version 1903 for ARM64-based Systemsv5Range: unspecified
- Microsoft/Windows 10 Version 1903 for x64-based Systemsv5Range: unspecified
- Microsoft/Windows 10 Version 1909 for 32-bit Systemsv5Range: unspecified
- Microsoft/Windows 10 Version 1909 for ARM64-based Systemsv5Range: unspecified
- Microsoft/Windows 10 Version 1909 for x64-based Systemsv5Range: unspecified
- Range: version 1803 (Core Installation)
- Microsoft/Windows Server, version 1903 (Server Core installation)v5Range: unspecified
- Microsoft/Windows Server, version 1909 (Server Core installation)v5Range: unspecified
Patches
Vulnerability mechanics
References
4- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0601nvdPatchVendor Advisory
- packetstormsecurity.com/files/155960/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.htmlnvdThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/155961/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.htmlnvdThird Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
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