CVE-2023-21830: Medium severity Oracle Communications Unified Assurance vulnerability
An unspecified flaw was found in the way the Serialization component of OpenJDK performed deserialization of data from serialized input. An untrusted Java application or applet could possibly use this flaw to bypass Java sandbox restrictions.
Other sources
An unspecified vulnerability in Java SE related to the Serialization component could allow a remote attacker to cause a denial of service resulting in a low integrity impact using unknown attack vectors.
— IBM
Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Serialization). Supported versions that are affected are Oracle Java SE: 8u351, 8u351-perf; Oracle GraalVM Enterprise Edition: 20.3.8 and 21.3.4. Easily exploitable 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 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 does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code
— Microsoft
Affected Software
Remediation
Patch Available
Patch Available
Event History
Parent advisories
This vulnerability appears in the following advisories.
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2023-21830.
Which component of Java SE is affected by this vulnerability?
This vulnerability affects the Serialization component of Java SE.
What is the severity of CVE-2023-21830?
The severity of CVE-2023-21830 is medium with a CVSS score of 5.3.
Which versions of Oracle Java SE and GraalVM Enterprise Edition are affected by this vulnerability?
The affected versions are Oracle Java SE: 8u351, 8u351-perf; Oracle GraalVM Enterprise Edition: 20.3.8 and 21.3.4.
How can I fix CVE-2023-21830?
To fix this vulnerability, update your Oracle Java SE or GraalVM Enterprise Edition to the recommended versions provided by Oracle.