CVE-2020-15142

Name: CVE-2020-15142
Creator: NVD / NIST
Published: 2020-08-14T17:15:14.157+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9/10EPSS 1.58%

Last modified Jun 17, 2026

CVE-2020-15142 is a critical-severity vulnerability rated 9/10 on the CVSS scale. In openapi-python-client before version 0.5.3, clients generated with a maliciously crafted OpenAPI Document can generate arbitrary Python code. Subsequent execution of this malicious client is arbitrary code execution.. EPSS estimates a 1.58% chance of exploitation in the next 30 days.

Description

In openapi-python-client before version 0.5.3, clients generated with a maliciously crafted OpenAPI Document can generate arbitrary Python code. Subsequent execution of this malicious client is arbitrary code execution.

Metrics

CVSS 3.1

9/10

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

EPSS Probability

1.58%

72.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Openapi-Python-Client Project	Openapi-Python-Client	< 0.5.3

References

https://github.com/triaxtec/openapi-python-client/blob/main/CHANGELOG.md#053---2020-08-13Release Notes, Third Party Advisory
https://github.com/triaxtec/openapi-python-client/commit/f7a56aae32cba823a77a84a1f10400799b19c19aPatch, Third Party Advisory
https://github.com/triaxtec/openapi-python-client/security/advisories/GHSA-9x4c-63pf-525fThird Party Advisory
https://pypi.org/project/openapi-python-client/Product, Third Party Advisory
https://github.com/triaxtec/openapi-python-client/blob/main/CHANGELOG.md#053---2020-08-13Release Notes, Third Party Advisory
https://github.com/triaxtec/openapi-python-client/commit/f7a56aae32cba823a77a84a1f10400799b19c19aPatch, Third Party Advisory
https://github.com/triaxtec/openapi-python-client/security/advisories/GHSA-9x4c-63pf-525fThird Party Advisory
https://pypi.org/project/openapi-python-client/Product, Third Party Advisory

Timeline

Published: Aug 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15142?

How severe is CVE-2020-15142?

CVE-2020-15142 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 1.58% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15142?

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-2020-15142?

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

Scan your code now

Source: NVD / NIST