CVE-2020-4097
6.8 · MEDIUMOverview
CVE-2020-4097 is a medium-severity vulnerability affecting hcltech notes. It was published on November 5, 2020 and has a CVSS 3.1 base score of 6.8 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.8, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
In HCL Notes version 9 previous to release 9.0.1 FixPack 10 Interim Fix 8, version 10 previous to release 10.0.1 FixPack 6 and version 11 previous to 11.0.1 FixPack 1, a vulnerability in the input parameter handling of the Notes Client could potentially be exploited by an attacker resulting in a buffer overflow. This could enable an attacker to crash HCL Notes or execute attacker-controlled code on the client.
Remediation
Check the references section for vendor advisories and patches from hcltech. Update notes 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 |
|---|---|---|---|
| hcltech | notes | 9.0 | Affected |
Frequently Asked Questions
What is CVE-2020-4097?
CVE-2020-4097 is a medium-severity vulnerability affecting hcltech notes. It was published on November 5, 2020 and has a CVSS 3.1 base score of 6.8 (MEDIUM).
How severe is CVE-2020-4097?
This vulnerability has a CVSS 3.1 base score of 6.8, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-4097?
Check the references section for vendor advisories and patches from hcltech. Update notes 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-2020-4097?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-4097 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
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