CVE-2020-1730
5.3 · MEDIUMOverview
CVE-2020-1730 is a medium-severity vulnerability affecting libssh libssh. It was published on April 13, 2020 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A flaw was found in libssh versions before 0.8.9 and before 0.9.4 in the way it handled AES-CTR (or DES ciphers if enabled) ciphers. The server or client could crash when the connection hasn't been fully initialized and the system tries to cleanup the ciphers when closing the connection. The biggest threat from this vulnerability is system availability.
Remediation
Check the references section for vendor advisories and patches from libssh. Update libssh to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| libssh | libssh | >= 0.8.0, < 0.8.9 | Affected |
| oracle | mysql_workbench | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2020-1730?
CVE-2020-1730 is a medium-severity vulnerability affecting libssh libssh. It was published on April 13, 2020 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2020-1730?
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-1730?
Check the references section for vendor advisories and patches from libssh. Update libssh to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-1730?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-1730 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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