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CVE-2020-0601: Microsoft Windows CryptoAPI Spoofing Vulnerability
Microsoft Windows · in CISA KEV since 2021-11-03
2021-11-03added to KEV
2022-05-03federal remediation due date
89.44%EPSS exploit probability (30 days) 99.8th percentile
8.1 HIGHCVSS 3.1
Unknownknown ransomware use
659days from NVD publication to KEV
What it is
Microsoft Windows CryptoAPI (Crypt32.dll) contains a spoofing vulnerability in the way it 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. A successful exploit could also allow the attacker to conduct man-in-the-middle attacks and decrypt confidential information on user connections to the affected software. The vulnerability is also known under the moniker of CurveBall.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | CWE-295 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |
| NVD published | 2020-01-14 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2020-0601.json · all KEV CVEs
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