How severe is CVE-2024-20923?

CVE-2024-20923 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2024-20923 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-20923?

CVE-2024-20923 primarily affects Oracle Graalvm. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-20923?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-20923 have an EU (EUVD) identifier?

Yes. CVE-2024-20923 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18638.

When was CVE-2024-20923 published?

CVE-2024-20923 was published on 2024-02-17 and last updated on 2026-06-17.

CVE-2024-20923

CVE-2024-20923 is a low-severity vulnerability in Oracle Graalvm with a CVSS 3.x base score of 3.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-693.

Key facts

Severity: Low (CVSS 3.x base score 3.1)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-18638
Weakness: CWE-693
Affected product: Oracle Graalvm
Published: 2024-02-17
Last modified: 2026-06-17

Description

Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JavaFX). Supported versions that are affected are Oracle Java SE: 8u391; Oracle GraalVM Enterprise Edition: 20.3.12 and 21.3.8. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle 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 unauthorized read access to a subset of Oracle Java SE, Oracle GraalVM Enterprise Edition accessible data. 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 installed by an administrator). CVSS 3.1 Base Score 3.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N).

Frequently asked questions

What is CVE-2024-20923?: Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JavaFX). Supported versions that are affected are Oracle Java SE: 8u391; Oracle GraalVM Enterprise Edition: 20.3.12 and 21.3.8. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle 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 unauthorized read access to a subset of Oracle Java SE, Oracle GraalVM Enterprise Edition accessible data. 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 installed by an administrator). CVSS 3.1 Base Score 3.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N).
How severe is CVE-2024-20923?: CVE-2024-20923 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2024-20923 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-20923?: CVE-2024-20923 primarily affects Oracle Graalvm. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-20923?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-20923 have an EU (EUVD) identifier?: Yes. CVE-2024-20923 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18638.
When was CVE-2024-20923 published?: CVE-2024-20923 was published on 2024-02-17 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:oracle:graalvm:20.3.12:*:*:*:enterprise:*:*:*
cpe:2.3:a:oracle:graalvm:21.3.8:*:*:*:enterprise:*:*:*
cpe:2.3:a:oracle:jdk:1.8.0:update391:*:*:-:*:*:*
cpe:2.3:a:oracle:jre:1.8.0:update391:*:*:-:*:*:*

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