CRITICAL

CVE-2020-26301

CVSS v3

CRITICAL

EPSS Score

3.8 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

Get an alert for each new CVE published for ssh2.

Set up CVE WatchFree account · no credit card

Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

ssh2npmall versions · fixed in 1.4.0

Vendor advisories

CVE-2020-26301 Red Hat Product Security24 products fixed · 1 known affected
nodejs-ssh2: Command injection by calling vulnerable method with untrusted input
noobaa-core-container as a component of Red Hat Openshift Data Foundation 4
RHSA-2021:4845 Red Hat Product Security24 products fixed
Red Hat Security Advisory: Red Hat OpenShift Container Storage 4.8.5 Security and Bug Fix Update

Full record on NVD

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.

Technical details

Published: 2021-09-20

Frequently asked questions

What is CVE-2020-26301?

Is CVE-2020-26301 actively exploited?

Active exploitation of CVE-2020-26301 has not been confirmed. Its EPSS score was 3.8% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-26301?

CVE-2020-26301 has a CVSS v3 base score of 10 (CRITICAL severity).

Running ssh2? Hear about its next vulnerability

CVE Watch matches each new CVE to the vendors and products you list (vendor and product, not the version) and puts it in your alerts with its KEV and EPSS status.

Get alerts for this product CISA KEV additions, October 2026 Search CVEs

Already have an account? Open CVE WatchNo credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
Running this software? CVE Watch alerts you to new vulnerabilities in your products.

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database