What’s Vulnerable › Vulnerabilities

CVE-2023-21954

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-04-18 · updated 2026-06-17

Description

Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Hotspot). Supported versions that are affected are Oracle Java SE: 8u361, 8u361-perf, 11.0.18, 17.0.6; Oracle GraalVM Enterprise Edition: 20.3.9, 21.3.5 and 22.3.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, 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 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 can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. 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).

Affected products

• Debian Linux: 10.0, 11.0, 12.0
• NetApp 7-Mode Transition Tool: all versions
• NetApp Brocade San Navigator: all versions
• NetApp Cloud Insights Acquisition Unit: all versions
• NetApp Cloud Insights Storage Workload Security Agent: all versions
• OnCommand Insight: all versions
• Oracle Corporation GraalVM Enterprise Edition: 20.3.9, 21.3.5, 22.3.1
• Oracle Java SE: 1.8.0-update361, 11.0.18, 17.0.6
• Oracle Java SE: 1.8.0-update361, 11.0.18, 17.0.6
• containers/openjdk: before 8; from 11 through 11.0.18; from 17 through 17.0.6; 8, 8-milestone1, 8-milestone2, 8-milestone3, 8-milestone4, 8-milestone5 (+63) — fixed in 8

How to fix

Upgrade to a fixed version: containers/openjdk 8. Check the vendor advisory for mitigations.

References

• https://lists.debian.org/debian-lts-announce/2023/09/msg00018.html
• https://security.netapp.com/advisory/ntap-20230427-0008/
• https://security.netapp.com/advisory/ntap-20240621-0006/
• https://www.couchbase.com/alerts/
• https://www.debian.org/security/2023/dsa-5430
• https://www.debian.org/security/2023/dsa-5478
• https://www.oracle.com/security-alerts/cpuapr2023.html
• https://lists.debian.org/debian-lts-announce/2023/09/msg00018.html
• https://security.netapp.com/advisory/ntap-20230427-0008/
• https://security.netapp.com/advisory/ntap-20240621-0006/
• https://www.couchbase.com/alerts/
• https://www.debian.org/security/2023/dsa-5430

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