CVE-2023-21939

MEDIUM

Oracle Java SE <20 - Unauthenticated RCE

Title source: llm

Description

Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Swing). Supported versions that are affected are Oracle Java SE: 8u361, 8u361-perf, 11.0.18, 17.0.6, 20; Oracle GraalVM Enterprise Edition: 20.3.9, 21.3.5 and 22.3.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some 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 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 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).

Exploits (2)

nomisec WORKING POC 94 stars
by Y4Sec-Team · poc
https://github.com/Y4Sec-Team/CVE-2023-21939
gitlab WORKING POC
by ghiddra · poc
https://gitlab.com/ghiddra/cve-2023-21939-oracle

Scores

CVSS v3 5.3
EPSS 0.0180
EPSS Percentile 82.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Details

Status published
Products (20)
debian/debian_linux 10.0
debian/debian_linux 11.0
debian/debian_linux 12.0
netapp/7-mode_transition_tool
netapp/brocade_san_navigator
netapp/cloud_insights_acquisition_unit
netapp/cloud_insights_storage_workload_security_agent
netapp/oncommand_insight
oracle/graalvm 20.3.9
oracle/graalvm 21.3.5
... and 10 more
Published Apr 18, 2023
Tracked Since Feb 18, 2026