How severe is CVE-2020-15142?

CVE-2020-15142 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-15142 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15142?

CVE-2020-15142 affects Openapi-python-client Project Openapi-python-client. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15142?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-15142 published?

CVE-2020-15142 was published on 2020-08-14 and last updated on 2026-06-17.

CVE-2020-15142

CVE-2020-15142 is a high-severity vulnerability in Openapi-python-client Project Openapi-python-client with a CVSS 3.x base score of 8.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 8.0)
CVSS v2: 6.0
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Openapi-python-client Project Openapi-python-client
Published: 2020-08-14
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-15142?: 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.
How severe is CVE-2020-15142?: CVE-2020-15142 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-15142 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15142?: CVE-2020-15142 affects Openapi-python-client Project Openapi-python-client. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15142?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-15142 published?: CVE-2020-15142 was published on 2020-08-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openapi-python-client_project:openapi-python-client:*:*:*:*:*:*:*:*

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