Vulnerability in Microsoft Windows

CVE-2020-15801

In Python 3.8.4, sys.path restrictions specified in a python38._pth file are ignored, allowing code to be loaded from arbitrary locations. The <executable-name>._pth file (e.g., the python._pth file) is not affected.

EPSS: 0.031 (86.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-15801?
CVE-2020-15801 is a critical-severity vulnerability in Microsoft Windows, classified under Untrusted Search Path. CVSS score: 9.8/10. Published 2020-07-17.
How severe is CVE-2020-15801?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-15801 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.