CVE-2020-1171

Name: CVE-2020-1171
Creator: NVD / NIST
Published: 2020-05-21T23:15:17.897+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 14.27%

Last modified Jun 17, 2026

CVE-2020-1171 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A remote code execution vulnerability exists in Visual Studio Code when the Python extension loads configuration files after opening a project, aka 'Visual Studio Code Python Extension Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1192.. EPSS estimates a 14.27% chance of exploitation in the next 30 days.

Description

A remote code execution vulnerability exists in Visual Studio Code when the Python extension loads configuration files after opening a project, aka 'Visual Studio Code Python Extension Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1192.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

14.27%

96.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Microsoft	Python	< 2020.5.0

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1171Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1171Patch, Vendor Advisory

Timeline

Published: May 21, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1171?

How severe is CVE-2020-1171?

CVE-2020-1171 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 14.27% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1171?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-1171?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST