Public proof of conceptFix available

CVE-2024-21542

Q: Is CVE-2024-21542 actively exploited?

Active exploitation of CVE-2024-21542 has not been confirmed. Its EPSS score was 1.1% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2024-21542?

CVE-2024-21542 has a CVSS v3 base score of 8.6 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N.

A public proof of concept exists; no exploitation attested.

Published2024-12-10
Fixed in3.6.0
WeaknessCWE-22 · CWE-29

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2024-12-1005:15CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2024-21542?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2024-21542?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV

luigi

Branch	Affected	Fixed in	Source
3.6	< 3.6.0	3.6.0	OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update luigi to 3.6.0

Detection

read 2026-10-23 19:24 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiedL3ster1337/Poc-CVE-2024-21542

Sources

NVDCVE recordread 2026-10-23
CISA-ADPSSVC decisionnone2024-12-16
OpenCVESSVC decisionnone—
CNACVSS 4.06.6read 2026-10-23
CNACVSS 3.18.6read 2026-10-23
CISA-ADPweakness (CWE)CWE-222024-12-16
CNAweakness (CWE)CWE-29read 2026-10-23
FIRST EPSSEPSS score1.1 %2026-10-23
PoC-in-GitHubproof of concept1read 2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
CVSS 4.0 vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:H/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published: 2024-12-10
Last Modified: 2026-06-17
NVD status: Deferred

Frequently asked questions

What is CVE-2024-21542?

Is CVE-2024-21542 actively exploited?

Active exploitation of CVE-2024-21542 has not been confirmed. Its EPSS score was 1.1% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-21542?

CVE-2024-21542 has a CVSS v3 base score of 8.6 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N.

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