{"id":"CVE-2020-26301","aliases":["EUVD-2021-1990","GHSA-652h-xwhf-q4h6"],"status":"published","title":"Command injection in mscdex/ssh2","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.03832,"percentile":0.90249,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-78"],"published":"2021-09-20T19:40:12Z","modified":"2026-10-20T10:52:57Z","fixes":[{"ecosystem":"npm","package":"ssh2","fixed_in":["1.4.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"ssh2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.0"}]}]},{"source":"osv","ecosystem":"npm","package":"ssh2","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.4.0"}]}]}],"products":[{"vendor":"mscdex","product":"ssh2"},{"vendor":"ssh2_project","product":"ssh2"}],"references":[{"url":"https://github.com/mscdex/ssh2/commit/f763271f41320e71d5cbee02ea5bc6a2ded3ca21","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://securitylab.github.com/advisories/GHSL-2020-123-mscdex-ssh2/","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","Third Party Advisory","fix"]},{"url":"https://www.npmjs.com/package/ssh2","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26301","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-652h-xwhf-q4h6"},{"url":"https://github.com/mscdex/ssh2","tags":["package"]},{"url":"https://securitylab.github.com/advisories/GHSL-2020-123-mscdex-ssh2","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2020-26301","title":"Command injection in mscdex/ssh2","description":"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.","status":"published","published":"2021-09-20T19:40:12Z","modified":"2024-08-04T15:56:04.459Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:35:46.129376Z"}],"euvd":[{"id":"EUVD-2021-1990","description":"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.","status":"published","published":"2021-09-20T19:40:12Z","modified":"2024-08-04T15:56:04Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"high"}],"updated_at":"2026-11-03T03:07:14.653267Z"}],"ghsa":[{"id":"GHSA-652h-xwhf-q4h6","title":"OS Command Injection in ssh2","description":"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.","status":"published","published":"2021-09-21T16:50:46Z","modified":"2024-02-12T15:03:30Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:37:37.394986Z"}],"nvd":[{"id":"CVE-2020-26301","description":"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.","status":"published","published":"2021-09-20T20:15:11.513Z","modified":"2026-06-17T03:08:01.99Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:45.704484Z"}],"osv":[{"id":"CVE-2020-26301","description":"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.","status":"published","published":"2021-09-20T20:15:11.513Z","modified":"2026-10-20T10:52:57.353369331Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:16.248747Z"},{"id":"GHSA-652h-xwhf-q4h6","title":"OS Command Injection in ssh2","description":"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.","status":"published","published":"2021-09-21T16:50:46Z","modified":"2024-02-12T15:03:29Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:46:39.266402Z"}]}}