#VU70542 Prototype pollution in vm2 - CVE-2021-23449
Vulnerability identifier: #VU70542
Vulnerability risk: High
CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2021-23449
CWE-ID:
CWE-94
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
vm2
Web applications /
Modules and components for CMS
Vendor: Patrik Simek
Description
The vulnerability allows a remote attacker to execute arbitrary JavaScript code.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can perform prototype pollution attack and execute arbitrary code on the server.
Mitigation
Install update from vendor's website.
Vulnerable software versions
vm2: 3.9.0 - 3.9.3
External links
https://github.com/patriksimek/vm2/issues/363
https://snyk.io/vuln/SNYK-JS-VM2-1585918
https://github.com/patriksimek/vm2/releases/tag/3.9.4
https://github.com/patriksimek/vm2/commit/b4f6e2bd2c4a1ef52fc4483d8e35f28bc4481886
https://security.netapp.com/advisory/ntap-20211029-0010/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
