CVE-2023-51661 HIGH

CVE-2023-51661: Filesystem sandbox not enforced in wasmer-cli

Vendor Wasmerio
Product wasmer
Weakness CWE-284
Published December 22, 2023
Last update April 17, 2025

CVSS base score

8.4/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Wasmer is a WebAssembly runtime that enables containers to run anywhere: from Desktop to the Cloud, Edge and even the browser. Wasm programs can access the filesystem outside of the sandbox. Service providers running untrusted Wasm code on Wasmer can unexpectedly expose the host filesystem. This vulnerability has been patched in version 4.2.4.

Key dates

02Disclosure timeline

December 22, 2023 CVE published
April 17, 2025 Record updated