CVE-2017-20230
10.0 · CRITICALOverview
CVE-2017-20230 is a critical-severity vulnerability affecting nwclark storable. It was published on April 21, 2026 and has a CVSS 3.1 base score of 10.0 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Storable versions before 3.05 for Perl has a stack overflow.
The retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.
Remediation
Check the references section for vendor advisories and patches from nwclark. Update storable 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 |
|---|---|---|---|
| nwclark | storable | >= 0, < 3.05 | Affected |
References
Frequently Asked Questions
What is CVE-2017-20230?
CVE-2017-20230 is a critical-severity vulnerability affecting nwclark storable. It was published on April 21, 2026 and has a CVSS 3.1 base score of 10.0 (CRITICAL).
How severe is CVE-2017-20230?
This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2017-20230?
Check the references section for vendor advisories and patches from nwclark. Update storable 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-2017-20230?
CyberStrike's AI-powered security agents can automatically detect CVE-2017-20230 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.
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