CVE-2020-5397
5.3 · MEDIUMOverview
CVE-2020-5397 is a medium-severity vulnerability affecting vmware spring_framework. It was published on January 17, 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
Spring Framework, versions 5.2.x prior to 5.2.3 are vulnerable to CSRF attacks through CORS preflight requests that target Spring MVC (spring-webmvc module) or Spring WebFlux (spring-webflux module) endpoints. Only non-authenticated endpoints are vulnerable because preflight requests should not include credentials and therefore requests should fail authentication. However a notable exception to this are Chrome based browsers when using client certificates for authentication since Chrome sends TLS client certificates in CORS preflight requests in violation of spec requirements. No HTTP body can be sent or received as a result of this attack.
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 | >= 5.2.0, < 5.2.3 | Affected |
| oracle | communications_diameter_signaling_router | 8.0.0 | Affected |
| oracle | insurance_calculation_engine | 11.0.0 | Affected |
| oracle | mysql_enterprise_monitor | 4.0.0 | Affected |
References
Frequently Asked Questions
What is CVE-2020-5397?
CVE-2020-5397 is a medium-severity vulnerability affecting vmware spring_framework. It was published on January 17, 2020 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2020-5397?
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-2020-5397?
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-2020-5397?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-5397 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.
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Browser-based exploitation validates findings with real proof-of-concept.
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