How severe is CVE-2023-31543?

CVE-2023-31543 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-2023-31543 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-31543?

CVE-2023-31543 affects Pipreqs Project Pipreqs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-31543?

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-2023-31543 published?

CVE-2023-31543 was published on 2023-06-30 and last updated on 2026-06-17.

CVE-2023-31543

CVE-2023-31543 is a critical-severity vulnerability in Pipreqs Project Pipreqs 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-427.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Pipreqs Project Pipreqs
Published: 2023-06-30
Last modified: 2026-06-17

Description

A dependency confusion in pipreqs v0.3.0 to v0.4.11 allows attackers to execute arbitrary code via uploading a crafted PyPI package to the chosen repository server.

Frequently asked questions

What is CVE-2023-31543?: A dependency confusion in pipreqs v0.3.0 to v0.4.11 allows attackers to execute arbitrary code via uploading a crafted PyPI package to the chosen repository server.
How severe is CVE-2023-31543?: CVE-2023-31543 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-2023-31543 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-31543?: CVE-2023-31543 affects Pipreqs Project Pipreqs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-31543?: 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-2023-31543 published?: CVE-2023-31543 was published on 2023-06-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pipreqs_project:pipreqs:*:*:*:*:*:python:*:*

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