How severe is CVE-2022-43303?

CVE-2022-43303 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-2022-43303 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-43303?

CVE-2022-43303 affects Democritus D8s-strings. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-43303?

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-2022-43303 published?

CVE-2022-43303 was published on 2022-11-07 and last updated on 2026-06-17.

CVE-2022-43303

CVE-2022-43303 is a critical-severity vulnerability in Democritus D8s-strings 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. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Democritus D8s-strings
Published: 2022-11-07
Last modified: 2026-06-17

Description

The d8s-strings for python, as distributed on PyPI, included a potential code-execution backdoor inserted by a third party. A potential code execution backdoor inserted by third parties is the democritus-uuids package. The affected version of d8s-htm is 0.1.0.

Frequently asked questions

What is CVE-2022-43303?: The d8s-strings for python, as distributed on PyPI, included a potential code-execution backdoor inserted by a third party. A potential code execution backdoor inserted by third parties is the democritus-uuids package. The affected version of d8s-htm is 0.1.0.
How severe is CVE-2022-43303?: CVE-2022-43303 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-2022-43303 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-43303?: CVE-2022-43303 affects Democritus D8s-strings. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-43303?: 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-2022-43303 published?: CVE-2022-43303 was published on 2022-11-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:democritus:d8s-strings:0.1.0:*:*:*:*:python:*:*

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