CVE-2021-23449
CriticalPublic PoC
Published: 18 October 2021
Published
18 October 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0220
84.8th percentile
Risk Priority
21
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-23449 is a critical-severity Prototype Pollution (CWE-1321) vulnerability in Vm2 Project Vm2. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 15.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-2254
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
vm2 project
vm2
≤ 3.9.4
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.