CVE-2024-20921

Description

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Hotspot). Supported versions that are affected are Oracle Java SE: 8u391, 8u391-perf, 11.0.21, 17.0.9, 21.0.1; Oracle GraalVM for JDK: 17.0.9, 21.0.1; Oracle GraalVM Enterprise Edition: 20.3.12, 21.3.8 and 22.3.4. 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 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 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).

How to fix CVE-2024-20921

To remediate CVE-2024-20921, upgrade the affected package to a fixed version below.

• —upgrade to 1.8.0 or later
• —upgrade to 1.8.0 or later
• —upgrade to 1.8.0 or later
• —upgrade to 11.0.22+7-1~deb11u1 or later
• —upgrade to 17.0.10+7-1~deb11u1 or later
• —upgrade to 21.0.2+13-1 or later

Is CVE-2024-20921 being exploited?

Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.

Affected packages (6)

• from 0, < 1.8.0, >= 1.9.0, < 8.0.401, >= 9.0.0, < 11.0.22, >= 12.0.0, < 17.0.10, >= 18.0.0, < 21.0.2
• from 0, < 1.8.0, >= 1.9.0, < 8.0.401, >= 9.0.0, < 11.0.22, >= 12.0.0, < 17.0.10, >= 18.0.0, < 21.0.2
• from 0, < 1.8.0, >= 1.9.0, < 8.0.401, >= 9.0.0, < 11.0.22, >= 12.0.0, < 17.0.10, >= 18.0.0, < 21.0.2
• from 0, < 11.0.22+7-1~deb11u1
• from 0, < 17.0.10+7-1~deb11u1
• from 0, < 21.0.2+13-1

CVSS scores

References (6)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2024-20921
• WEBnvd.nist.gov/vuln/detail/CVE-2024-20921
• WEBopenjdk.org/groups/vulnerability/advisories/2024-01-16
• WEBsecurity.netapp.com/advisory/ntap-20240201-0002/
• WEB