Vulnerability record · CVE-2020-26301 · published 20 September 2021

CVE-2020-26301: Ssh2 project ssh2 os command injection vulnerability

Ssh2 Project · Ssh2

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.

10.0 CVSS 3.1 Critical EPSS 3.8% · top 10.3% CWE-78 · OS command injection

10.0CVSS 3.1 base score, v2 7.5

3.8%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

6References, 2 tagged exploit

17 Jun 2026Last modified by NVD

Description

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Ssh2 Ssh2 Project

References

Link	Tags
https://github.com/mscdex/ssh2/commit/f763271f41320e71d5cbee02ea5bc6a2ded3ca21	PatchThird Party Advisory
https://securitylab.github.com/advisories/GHSL-2020-123-mscdex-ssh2/	ExploitPatchThird Party Advisory
https://www.npmjs.com/package/ssh2	ProductThird Party Advisory
https://github.com/mscdex/ssh2/commit/f763271f41320e71d5cbee02ea5bc6a2ded3ca21	PatchThird Party Advisory
https://securitylab.github.com/advisories/GHSL-2020-123-mscdex-ssh2/	ExploitPatchThird Party Advisory
https://www.npmjs.com/package/ssh2	ProductThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-26301), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.