CVE-2020-5421
6.5 · MEDIUMOverview
CVE-2020-5421 is a medium-severity vulnerability affecting vmware spring_framework. It was published on September 19, 2020 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
In Spring Framework versions 5.2.0 - 5.2.8, 5.1.0 - 5.1.17, 5.0.0 - 5.0.18, 4.3.0 - 4.3.28, and older unsupported versions, the protections against RFD attacks from CVE-2015-5211 may be bypassed depending on the browser used through the use of a jsessionid path parameter.
Remediation
Check the references section for vendor advisories and patches from vmware. Update spring_framework 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 |
|---|---|---|---|
| vmware | spring_framework | >= 0, < 4.3.29 | Affected |
| oracle | communications_session_report_manager | 8.2.1 | Affected |
| oracle | financial_services_analytical_applications_infrastructure | 8.0.6 | Affected |
| oracle | insurance_policy_administration | 11.1.0 | Affected |
| oracle | insurance_rules_palette | 11.1.0 | Affected |
| oracle | mysql_enterprise_monitor | 0 | Affected |
| oracle | primavera_gateway | 16.2.0 | Affected |
| oracle | primavera_p6_enterprise_project_portfolio_management | 16.1.0 | Affected |
References
Frequently Asked Questions
What is CVE-2020-5421?
CVE-2020-5421 is a medium-severity vulnerability affecting vmware spring_framework. It was published on September 19, 2020 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2020-5421?
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2020-5421?
Check the references section for vendor advisories and patches from vmware. Update spring_framework 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-2020-5421?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-5421 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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