CVE-2025-21587 Security feature bypass in Oracle GraalVM Enterprise Edition

High 7.4 Published Updated

An unauthenticated attacker can bypass security controls in Java JSSE to read or modify critical data via network access.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2025-21587?

CVE-2025-21587 is a high-severity vulnerability in Oracle Graalvm, published on 15 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE). Supported versions that are affected are Oracle Java SE:8u441, 8u441-perf, 11.0.26, 17.0.14, 21.0.6, 24; Oracle GraalVM for JDK:17.0.14, 21.0.6, 24; Oracle GraalVM Enterprise Edition:20.3.17 and 21.3.13. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data as well as unauthorized access to critical data or complete access to all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also 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. CVSS 3.1 Base Score 7.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).

Weakness: CWE-284

Which versions are affected by CVE-2025-21587?

3 open source packages ship an affected version, including java, java-min and jre. It affects 4 products.

PackageAffectedFixed in
java BitnamiAll versions1.8.0, 8.0.451, 11.0.27, 17.0.15, 21.0.7, 24.0.1
java-min BitnamiAll versions1.8.0, 8.0.451, 11.0.27, 17.0.15, 21.0.7, 24.0.1
jre BitnamiAll versions1.8.0, 8.0.451, 11.0.27, 17.0.15, 21.0.7, 24.0.1

Products include Oracle Graalvm, Oracle Graalvm for Jdk, Oracle Jdk, Oracle Jre.

How do I fix CVE-2025-21587?

Upgrade java to a fixed version for your release line: 1.8.0, 8.0.451, 11.0.27 or 17.0.15.

Is CVE-2025-21587 being exploited?

There is no known exploitation of CVE-2025-21587 in the wild and no public exploit code.

All Oracle Graalvm vulnerabilities

Sources

Also known as BIT-java-2025-21587, BIT-java-min-2025-21587, BIT-jre-2025-21587, CLEANSTART-2026-IG17685, DEBIAN-CVE-2025-21587, GHSA-7f6c-8chx-2vm5 and 17 more.

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