CVE-2021-23449
CRITICALCVSS 10/10EPSS 3.48%
Last modified
CVE-2021-23449 is a critical-severity vulnerability rated 10/10 on the CVSS scale. This affects the package vm2 before 3.9.4 via a Prototype Pollution attack vector, which can lead to execution of arbitrary code on the host machine.. EPSS estimates a 3.48% chance of exploitation in the next 30 days.
Description
This affects the package vm2 before 3.9.4 via a Prototype Pollution attack vector, which can lead to execution of arbitrary code on the host machine.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Vm2 Project | Vm2 | < 3.9.4 |
References
- https://github.com/patriksimek/vm2/commit/b4f6e2bd2c4a1ef52fc4483d8e35f28bc4481886Patch, Third Party Advisory
- https://github.com/patriksimek/vm2/issues/363Third Party Advisory
- https://github.com/patriksimek/vm2/releases/tag/3.9.4Release Notes, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20211029-0010/Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-VM2-1585918Exploit, Third Party Advisory
- https://github.com/patriksimek/vm2/commit/b4f6e2bd2c4a1ef52fc4483d8e35f28bc4481886Patch, Third Party Advisory
- https://github.com/patriksimek/vm2/issues/363Third Party Advisory
- https://github.com/patriksimek/vm2/releases/tag/3.9.4Release Notes, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20211029-0010/Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-VM2-1585918Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-23449?
This affects the package vm2 before 3.9.4 via a Prototype Pollution attack vector, which can lead to execution of arbitrary code on the host machine.
How severe is CVE-2021-23449?
CVE-2021-23449 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 3.48% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23449?
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-2021-23449?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST