CVE-2021-23484

Name: CVE-2021-23484
Creator: NVD / NIST
Published: 2022-01-28T22:15:09.01+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.05%

Last modified Jun 17, 2026

CVE-2021-23484 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.05% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.05%

78.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Zip-Local Project	Zip-Local	< 0.3.5

References

https://github.com/Mostafa-Samir/zip-local/blob/master/main.js%23L365Broken Link, Third Party Advisory
https://github.com/Mostafa-Samir/zip-local/commit/949446a95a660c0752b1db0c654f0fd619ae6085Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-ZIPLOCAL-2327477Exploit, Patch, Third Party Advisory
https://github.com/Mostafa-Samir/zip-local/blob/master/main.js%23L365Broken Link, Third Party Advisory
https://github.com/Mostafa-Samir/zip-local/commit/949446a95a660c0752b1db0c654f0fd619ae6085Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-ZIPLOCAL-2327477Exploit, Patch, Third Party Advisory

Timeline

Published: Jan 28, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-23484?

How severe is CVE-2021-23484?

CVE-2021-23484 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.05% probability of exploitation in the next 30 days.

How do I fix CVE-2021-23484?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-23484?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST