CVE-2023-21830

Description

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 installed by an administrator). 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).

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.09%
Vendor Advisory oracle.com Vendor Advisory oracle.com
Affected: Oracle Corporation Java SE JDK and JRE
Published at:
Updated at:

References

Link Tags
https://www.oracle.com/security-alerts/cpujan2023.html patch vendor advisory
https://www.oracle.com/security-alerts/cpujul2023.html patch vendor advisory
https://security.gentoo.org/glsa/202401-25

Frequently Asked Questions

What is the severity of CVE-2023-21830?
CVE-2023-21830 has been scored as a medium severity vulnerability.
How to fix CVE-2023-21830?
To fix CVE-2023-21830, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-21830 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-21830 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-21830?
CVE-2023-21830 affects Oracle Corporation Java SE JDK and JRE.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.