How severe is CVE-2022-40427?

CVE-2022-40427 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-40427 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40427?

CVE-2022-40427 affects Democritus Domains Project Democritus Domains. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40427?

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

When was CVE-2022-40427 published?

CVE-2022-40427 was published on 2022-09-19 and last updated on 2026-06-17.

CVE-2022-40427

CVE-2022-40427 is a critical-severity vulnerability in Democritus Domains Project Democritus Domains with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Democritus Domains Project Democritus Domains
Published: 2022-09-19
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2022-40427?: The d8s-domains for python, as distributed on PyPI, included a potential code-execution backdoor inserted by a third party. The backdoor is the democritus-networking package. The affected version is 0.1.0
How severe is CVE-2022-40427?: CVE-2022-40427 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-40427 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40427?: CVE-2022-40427 affects Democritus Domains Project Democritus Domains. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40427?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-40427 published?: CVE-2022-40427 was published on 2022-09-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:democritus_domains_project:democritus_domains:0.1.0:*:*:*:*:python:*:*

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