Vm2
CVE-2021-23449
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V3 - Web Frontend Security Prototype pollution prevention
MITRE ATT&CK
2 techniques across 2 tactics: Execution, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 10.0 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A remote attacker could modify object prototypes to inject properties affecting application logic by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
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. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Freeze prototypes, validate object keys, avoid recursive merging of untrusted data.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in npm
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution) (CWE-1321), which allows attackers to modify object prototypes to inject properties affecting application logic. 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. Affected products include: Vm2 Project Vm2. Version information: before 3.9.4.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
Affected Products (CPE)NVD
vm2 is an advanced vm/sandbox for Node.js. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitab
vm2 is a sandbox that can run untrusted code with Node's built-in modules. Rated critical severity (CVSS 10.0), this vul
vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules. Rated critical severity (CVSS 10.
There exists a vulnerability in source code transformer (exception sanitization logic) of vm2 for versions up to 3.9.15,
vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules. Rated critical severity (CVSS 10.
Full sandbox escape with arbitrary code execution allows remote attackers to break out of vm2's Node.js sandbox environm
Sandbox escape in vm2 for Node.js allows remote unauthenticated attackers to execute arbitrary commands on the host syst
Sandbox escape in vm2 (patriksimek/vm2) versions prior to 3.11.3 enables remote code execution on the host Node.js proce
Sandbox escape in vm2 Node.js sandbox before 3.10.2 via Promise.prototype.then/catch callback sanitization bypass. PoC a
vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules. Rated critical severity (CVSS 9.8
The package vm2 before 3.9.10 are vulnerable to Arbitrary Code Execution due to the usage of prototype lookup for the We
Sandbox escape in the vm2 Node.js library through 3.11.6 lets untrusted code running inside a NodeVM instance reach the
Exploit-DB