CVE-2021-23484
CRITICALCVSS 9.8/10EPSS 2.05%
Last modified
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/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
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
- Last Modified
- Status
- Modified
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.
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-23484?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST