Is CVE-2022-42043 actively exploited?

No active exploitation of CVE-2022-42043 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-42043 be exploited remotely?

Yes. CVE-2022-42043 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-42043?

CVE-2022-42043 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-42043

CWE-434Published: October 11, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

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

NVD Source

Risk Analysis

The d8s-xml Python package includes a third-party backdoor that allows for remote code execution. With a CVSS score of 9.8, this represents a critical supply chain risk.

No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable.

Recommended Action

Remove the d8s-xml package from your environment and ensure all dependencies are verified for integrity.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-42043 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.