How severe is CVE-2024-21542?

CVE-2024-21542 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2024-21542 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-21542?

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

Does CVE-2024-21542 have an EU (EUVD) identifier?

Yes. CVE-2024-21542 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0098.

When was CVE-2024-21542 published?

CVE-2024-21542 was published on 2024-12-10 and last updated on 2026-06-17.

CVE-2024-21542

CVE-2024-21542 is a high-severity vulnerability with a CVSS 3.x base score of 8.6. 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-29.

Key facts

Severity: High (CVSS 3.x base score 8.6)
CVSS v4: 6.6
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0098
Weakness: CWE-29
Published: 2024-12-10
Last modified: 2026-06-17

Description

Versions of the package luigi before 3.6.0 are vulnerable to Arbitrary File Write via Archive Extraction (Zip Slip) due to improper destination file path validation in the _extract_packages_archive function.

Frequently asked questions

What is CVE-2024-21542?: Versions of the package luigi before 3.6.0 are vulnerable to Arbitrary File Write via Archive Extraction (Zip Slip) due to improper destination file path validation in the _extract_packages_archive function.
How severe is CVE-2024-21542?: CVE-2024-21542 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2024-21542 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-21542?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-21542 have an EU (EUVD) identifier?: Yes. CVE-2024-21542 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0098.
When was CVE-2024-21542 published?: CVE-2024-21542 was published on 2024-12-10 and last updated on 2026-06-17.

References

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