CVE-2020-5403
7.5 · HIGHOverview
CVE-2020-5403 is a high-severity vulnerability affecting pivotal reactor_netty. It was published on March 3, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Reactor Netty HttpServer, versions 0.9.3 and 0.9.4, is exposed to a URISyntaxException that causes the connection to be closed prematurely instead of producing a 400 response.
Remediation
Check the references section for vendor advisories and patches from pivotal. Update reactor_netty 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 |
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Frequently Asked Questions
What is CVE-2020-5403?
CVE-2020-5403 is a high-severity vulnerability affecting pivotal reactor_netty. It was published on March 3, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2020-5403?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-5403?
Check the references section for vendor advisories and patches from pivotal. Update reactor_netty 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-2020-5403?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-5403 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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