Prototype Pollution in Vm2 Project
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.
Vulnerability class: Prototype Pollution
EPSS: 0.035 (87.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Vm2_project Vm2
- N/a Vm2 — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- report@snyk.io (Exploit, Third Party Advisory, x_refsource_MISC)
- report@snyk.io (Third Party Advisory, x_refsource_MISC)
- report@snyk.io (Patch, Third Party Advisory, x_refsource_MISC)
- report@snyk.io (Third Party Advisory, x_refsource_MISC, Release Notes)
- report@snyk.io (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-23449?
- CVE-2021-23449 is a critical-severity vulnerability in Vm2 Project, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 9.8/10. Published 2021-10-18.
- How severe is CVE-2021-23449?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-23449 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.