{"cveID":"CVE-2020-0601","vendorProject":"Microsoft","product":"Windows","vulnerabilityName":"Microsoft Windows CryptoAPI Spoofing Vulnerability","dateAdded":"2021-11-03","shortDescription":"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.","requiredAction":"Apply updates per vendor instructions.","dueDate":"2022-05-03","knownRansomwareCampaignUse":"Unknown","notes":"Reference CISA's ED 20-02 (https://www.cisa.gov/news-events/directives/ed-20-02-mitigate-windows-vulnerabilities-january-2020-patch-tuesday) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 20-02. https://nvd.nist.gov/vuln/detail/CVE-2020-0601","cwes":["CWE-295"],"year":2020,"state":"unmapped","stale_reasons":[],"mappings":[],"techniques":[],"mapping_types":[],"has_exploitation_technique":false,"mapping_attack_versions":[],"mapping_domains":[],"sigma_coverage":null,"sigma_rules_tagged_cve":[],"added_after_mapping_snapshot":false,"_source":"kevmap","_built":"2026-08-24 19:45 UTC","_attack_version":"19.2"}