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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.035 (88.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugs.python.org/issue41304 (Patch, Issue Tracking, Vendor Advisory)
- github.com/python/cpython/pull/21495 (Patch, Vendor Advisory)
- security.netapp.com/advisory/ntap-20200731-0003/ (Third Party Advisory)
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.