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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.036 (89.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000
Affected products
- Vm2 Project
- Vm2 — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- snyk.io/vuln/SNYK-JS-VM2-1585918 (Exploit, Third Party Advisory)
- github.com/patriksimek/vm2/issues/363 (Third Party Advisory)
- github.com/patriksimek/vm2/commit/b4f6e2bd2c4a1ef52fc4483d8e35f28bc4481886 (Patch, Third Party Advisory)
- github.com/patriksimek/vm2/releases/tag/3.9.4 (Third Party Advisory, Release Notes)
- security.netapp.com/advisory/ntap-20211029-0010/ (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.