CVSS v3
9.8
CRITICAL
EPSS Score
2.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
The package zip-local before 0.3.5 are vulnerable to Arbitrary File Write via Archive Extraction (Zip Slip) which can lead to an extraction of a crafted file outside the intended extraction directory.
Technical details
- Published
- 2022-01-28
Frequently asked questions
What is CVE-2021-23484?
The package zip-local before 0.3.5 are vulnerable to Arbitrary File Write via Archive Extraction (Zip Slip) which can lead to an extraction of a crafted file outside the intended extraction directory.
Is CVE-2021-23484 actively exploited?
Active exploitation of CVE-2021-23484 has not been confirmed. Its EPSS score was 2.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-23484?
CVE-2021-23484 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-23484 affecting your environment?
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