CVE-2020-0601

HIGHCISA KEV

8.1

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'.

CVE Details

CVSS v3.1 Score8.1

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published1/14/2020

Last Modified12/18/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorMicrosoft

ProductWindows

Vulnerability NameMicrosoft Windows CryptoAPI Spoofing Vulnerability

KEV Date Added2021-11-03

Remediation Due Date2022-05-03

Ransomware UseUnknown

Affected Products

golang:gomicrosoft:windowsmicrosoft:windows_10_1507microsoft:windows_10_1607microsoft:windows_10_1709microsoft:windows_10_1803microsoft:windows_10_1809microsoft:windows_10_1903microsoft:windows_10_1909microsoft:windows_server_1803microsoft:windows_server_1903microsoft:windows_server_1909microsoft:windows_server_2016microsoft:windows_server_2019

Weaknesses (CWE)

CWE-295CWE-295

References

http://packetstormsecurity.com/files/155960/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html(secure@microsoft.com)

http://packetstormsecurity.com/files/155961/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html(secure@microsoft.com)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0601(secure@microsoft.com)

http://packetstormsecurity.com/files/155960/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html(af854a3a-2127-422b-91ae-364da2661108)

http://packetstormsecurity.com/files/155961/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html(af854a3a-2127-422b-91ae-364da2661108)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0601(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0601(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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