ssh2 is client and server modules written in pure JavaScript for node.js. In ssh2 before version 1.4.0 there is a command injection vulnerability. The issue only exists on Windows. This issue may lead to remote code execution if a client of the library calls the vulnerable method with untrusted input. This is fixed in version 1.4.0.

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-26301
• mscdex/ssh2@f763271
• https://securitylab.github.com/advisories/GHSL-2020-123-mscdex-ssh2/
• https://www.npmjs.com/package/ssh2