CVE-2021-23449
9.8
CRITICAL · CVSS 3.1 · EPSS 3.6% (pctl 89)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.59% — more likely to be exploited than 89% of all CVEs |
| Weakness | CWE-1321 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-10-18 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| vm2 project | vm2 |
References
- https://github.com/patriksimek/vm2/commit/b4f6e2bd2c4a1ef52fc4483d8e35f28bc4481886
- https://github.com/patriksimek/vm2/issues/363
- https://github.com/patriksimek/vm2/releases/tag/3.9.4
- https://security.netapp.com/advisory/ntap-20211029-0010/
- https://snyk.io/vuln/SNYK-JS-VM2-1585918
- https://github.com/patriksimek/vm2/commit/b4f6e2bd2c4a1ef52fc4483d8e35f28bc4481886
- https://github.com/patriksimek/vm2/issues/363
- https://github.com/patriksimek/vm2/releases/tag/3.9.4
- https://security.netapp.com/advisory/ntap-20211029-0010/
- https://snyk.io/vuln/SNYK-JS-VM2-1585918
→ the Explorer · watch your stack · NVD