CVE-2022-42037

CRITICALNVD 9.89.8—

9.8

The d8s-asns package for Python, as distributed on PyPI, included a potential code-execution backdoor inserted by a third party. The backdoor is the democritus-csv package. The affected version is 0.1.0.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 65.1%
KEV: Not listed

Published

October 11, 2022

Last Modified

May 20, 2025

References (6)

cve@mitrehttps://github.com/democritus-project/d8s-asns/issues/9
cve@mitrehttps://pypi.org/project/d8s-asns/
cve@mitrehttps://pypi.org/project/democritus-csv/
af854a3a-2127-422b-91ae-364da2661108https://github.com/democritus-project/d8s-asns/issues/9
af854a3a-2127-422b-91ae-364da2661108https://pypi.org/project/d8s-asns/
af854a3a-2127-422b-91ae-364da2661108https://pypi.org/project/democritus-csv/

Affected Packages

(2 across 1 ecosystem)

PyPI(2)

Package	Vulnerable range	Fixed in	Dependents
d8s-asns	0.1.0 ... 0.7.0 (9 versions)	—	—
democritus-csv	2021.1.21	—	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-434Unrestricted Upload of File with Dangerous Type

Frequently asked(5)

What is CVE-2022-42037?

CVE-2022-42037 is a critical vulnerability published on October 11, 2022. The d8s-asns package for Python, as distributed on PyPI, included a potential code-execution backdoor inserted by a third party. The backdoor is the democritus-csv package. The affected version is 0.1.0.

When was CVE-2022-42037 disclosed?

CVE-2022-42037 was first published in the National Vulnerability Database on October 11, 2022, with the most recent update on May 20, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-42037 actively exploited?

CVE-2022-42037 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 65.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-42037?

CVE-2022-42037 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2022-42037?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-42037, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-42037

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CVE-2022-42037

📅 Published

🔄 Last Modified

🔗 References (6)