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CVE-2020-5413

9.8 · CRITICAL

Spring Integration framework provides Kryo Codec implementations as an alternative for Java (de)serialization.

Published Jul 31, 2020CWE-502EPSS 4.41%

Overview

CVE-2020-5413 is a critical-severity vulnerability. It was published on July 31, 2020 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Spring Integration framework provides Kryo Codec implementations as an alternative for Java (de)serialization. When Kryo is configured with default options, all unregistered classes are resolved on demand. This leads to the "deserialization gadgets" exploit when provided data contains malicious code for execution during deserialization. In order to protect against this type of attack, Kryo can be configured to require a set of trusted classes for (de)serialization. Spring Integration should be proactive against blocking unknown "deserialization gadgets" when configuring Kryo in code.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Reftanzu.vmware.com/security/cve-2020-5413Refwww.oracle.com//security-alerts/cpujul2021.htmlRefwww.oracle.com/security-alerts/cpuApr2021.htmlRefwww.oracle.com/security-alerts/cpuapr2022.htmlRefwww.oracle.com/security-alerts/cpuoct2021.htmlReftanzu.vmware.com/security/cve-2020-5413Refwww.oracle.com//security-alerts/cpujul2021.htmlRefwww.oracle.com/security-alerts/cpuApr2021.htmlRefwww.oracle.com/security-alerts/cpuapr2022.htmlRefwww.oracle.com/security-alerts/cpuoct2021.html

How CyberStrike helps

Frequently asked questions

What is CVE-2020-5413?

CVE-2020-5413 is a critical-severity vulnerability. It was published on July 31, 2020 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2020-5413?

This vulnerability has a CVSS 3.1 base score of 9.8, 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-2020-5413?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2020-5413?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-5413 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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