How severe is CVE-2024-20918?

CVE-2024-20918 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2024-20918 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-20918?

CVE-2024-20918 primarily affects Oracle Graalvm. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-20918?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-20918 have an EU (EUVD) identifier?

Yes. CVE-2024-20918 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18633.

When was CVE-2024-20918 published?

CVE-2024-20918 was published on 2024-01-16 and last updated on 2026-06-17.

CVE-2024-20918

CVE-2024-20918 is a high-severity vulnerability in Oracle Graalvm with a CVSS 3.x base score of 7.4. 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-284.

Key facts

Severity: High (CVSS 3.x base score 7.4)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-18633
Weakness: CWE-284
Affected product: Oracle Graalvm
Published: 2024-01-16
Last modified: 2026-06-17

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 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).

Frequently asked questions

What is CVE-2024-20918?: 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 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).
How severe is CVE-2024-20918?: CVE-2024-20918 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2024-20918 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-20918?: CVE-2024-20918 primarily affects Oracle Graalvm. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-20918?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-20918 have an EU (EUVD) identifier?: Yes. CVE-2024-20918 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18633.
When was CVE-2024-20918 published?: CVE-2024-20918 was published on 2024-01-16 and last updated on 2026-06-17.

References

Affected products (19)

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:graalvm:22.3.4:*:*:*:enterprise:*:*:*
cpe:2.3:a:oracle:graalvm_for_jdk:17.0.9:*:*:*:*:*:*:*
cpe:2.3:a:oracle:graalvm_for_jdk:21.0.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jdk:1.8.0:update391:*:*:-:*:*:*
cpe:2.3:a:oracle:jdk:1.8.0:update391:*:*:enterprise_performance_pack:*:*:*
cpe:2.3:a:oracle:jdk:11.0.21:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jdk:17.0.9:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jdk:21.0.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jre:1.8.0:update391:*:*:-:*:*:*
cpe:2.3:a:oracle:jre:1.8.0:update391:*:*:enterprise_performance_pack:*:*:*
cpe:2.3:a:oracle:jre:11.0.21:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jre:17.0.9:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jre:21.0.1:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:a:netapp:cloud_insights_acquisition_unit:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:cloud_insights_storage_workload_security_agent:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*

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