What’s Vulnerable › Vulnerabilities

CVE-2020-8315

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-01-28 · updated 2026-10-14
• Weakness: CWE-427

Description

In Python (CPython) 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1, an insecure dependency load upon launch on Windows 7 may result in an attacker's copy of api-ms-win-core-path-l1-1-0.dll being loaded and used instead of the system's copy. Windows 8 and later are unaffected.

Affected products

• Python: from 3.6.0 through 3.6.10; from 3.7.0 through 3.7.6; from 3.8.0 through 3.8.1

References

• https://bugs.python.org/issue39401
• https://bugs.python.org/issue39401
• https://cert-portal.siemens.com/productcert/html/ssa-398330.html

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