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CVE-2021-2388

7.5 · HIGH

Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Hotspot).

Published Jul 21, 2021EPSS 4.01%

Overview

CVE-2021-2388 is a high-severity vulnerability. It was published on July 21, 2021 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

Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Hotspot). Supported versions that are affected are Java SE: 8u291, 11.0.11, 16.0.1; Oracle GraalVM Enterprise Edition: 20.3.2 and 21.1.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Oracle GraalVM Enterprise Edition. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of Java SE, Oracle GraalVM Enterprise Edition. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code instal

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

Reflists.debian.org/debian-lts-announce/2021/08/msg00011.htmlRefsecurity.gentoo.org/glsa/202209-05Refsecurity.netapp.com/advisory/ntap-20210723-0002/Refwww.debian.org/security/2021/dsa-4946Refwww.oracle.com/security-alerts/cpujul2021.htmlRefwww.oracle.com/security-alerts/cpuoct2021.htmlReflists.debian.org/debian-lts-announce/2021/08/msg00011.htmlRefsecurity.gentoo.org/glsa/202209-05Refsecurity.netapp.com/advisory/ntap-20210723-0002/Refwww.debian.org/security/2021/dsa-4946

How CyberStrike helps

Frequently asked questions

What is CVE-2021-2388?

CVE-2021-2388 is a high-severity vulnerability. It was published on July 21, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2021-2388?

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-2021-2388?

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-2021-2388?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-2388 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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