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CVE-2024-20921 Oracle Java SE

Affected softwareOracle Java SE
Affected versionsOracle 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, 22.3.4
Severity5.9 Medium CVSS 3.1
Fixed inOracle Critical Patch Update January 2024
WeaknessCWE-276
Published17 Feb 2024
Updated17 Jun 2026

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).

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 2 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment exploitation: none
  • Indexed PoC none indexed
  • EPSS 0.86% chance in 30 days

Waratek protection

No exploit published

Within Waratek scope. In the sources we check, nobody has published exploit code for this CVE or reported it being exploited.

This is a proprietary Oracle product. Oracle's security advisory is the source of public detail for this CVE.

  • Protection none
  • Action not pursued
  • Review human Researcher
  • Record active
Decided by Manual classification of this CVE in the legacy dataset
Finding A manual classification set this CVE's status to No source fix or exploit.

Affected software and releases

Oracle advisories

AdvisoryTypeQuarterProducts Oracle names in its risk matrix
Oracle Critical Patch Update April 2024 ↗ CPU 2024-Q2 Oracle Database Server / GraalVM Multilingual Engine (21.3-21.13)
Oracle Critical Patch Update January 2024 ↗ CPU 2024-Q1 Oracle Java SE / Hotspot (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, 22.3.4)
Oracle's 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.

Oracle components and versions

FamilyComponentVersions, as Oracle lists themRead as
Oracle Database Server GraalVM Multilingual Engine 21.3-21.13
Oracle Java SE Hotspot 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, 22.3.4 8.0.391.0 · 11.0.21.0 · 17.0.9.0 · 20.3.12.0 · 21.0.1.0 · 21.3.8.0 · 22.3.4.0

Products and versions

4 products, 13 version entries
SourceVendorProductSchemeAffected versions
nvd oracle graalvm javase 20.3.12 · 21.3.8 · 22.3.4
nvd oracle graalvm for jdk javase 17.0.9 · 21.0.1
nvd oracle jdk javase 1.8.0:update391 · 11.0.21 · 17.0.9 · 21.0.1
nvd oracle jre javase 1.8.0:update391 · 11.0.21 · 17.0.9 · 21.0.1

References

URLTags
https://access.redhat.com/errata/RHSA-2024:0223 ADVISORY, RHSA-2024:0223
https://access.redhat.com/security/cve/CVE-2024-20921 REPORT, RHSA-2024:0223
https://access.redhat.com/errata/RHSA-2024:0224 ADVISORY, RHSA-2024:0224
https://access.redhat.com/errata/RHSA-2024:0225 ADVISORY, RHSA-2024:0225
https://access.redhat.com/errata/RHSA-2024:0226 ADVISORY, RHSA-2024:0226
https://access.redhat.com/errata/RHSA-2024:0228 ADVISORY, RHSA-2024:0228
https://access.redhat.com/errata/RHSA-2024:0232 ADVISORY, RHSA-2024:0232
https://access.redhat.com/errata/RHSA-2024:0233 ADVISORY, RHSA-2024:0233
https://access.redhat.com/errata/RHSA-2024:0234 ADVISORY, RHSA-2024:0234
https://access.redhat.com/errata/RHSA-2024:0235 ADVISORY, RHSA-2024:0235

Timeline

Published2024-02-17By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.