OS Command Injection in ssh2 - CVE-2020-26301

 

OS Command Injection in ssh2 - CVE-2020-26301

Published: April 28, 2025


Vulnerability identifier: #VU107980
CSH Severity: Critical
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-26301
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

ssh2

How to mitigate CVE-2020-26301

Install updates from vendor's website.

ssh2 - update to 1.4.0

External References

Related Security Bulletins