THREATPORT/VULNERABILITY/CVE-2023-29199
CRITICAL SEVERITY

CVE-2023-29199

Vm2 vulnerability

CVSS
9.8
EPSS
3.9%
EPSS pct
89th
Exploited
No known
There exists a vulnerability in source code transformer (exception sanitization logic) of vm2 for versions up to 3.9.15, allowing attackers to bypass `handleException()` and leak unsanitized host exceptions which can be used to escape the sandbox and run arbitrary code in host context. A threat actor can bypass the sandbox protections to gain remote code execution rights on the host running the sandbox. This vulnerability was patched in the release of version `3.9.16` of `vm2`.
Affected vendor
Vm2 Project
Affected product
Vm2
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2023-04-14

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2023-29199

  • Confirm whether Vm2 Project Vm2 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2023-29199.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-29199

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