# CVE-2013-0422: Oracle JRE Remote Code Execution Vulnerability

Source: https://junglewise.ai/threats/cve-2013-0422-oracle-jre-remote-code-execution-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-25. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2013-0422 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-05-25

Multiple vulnerabilities in Oracle Java 7 allow remote attackers to execute arbitrary code. The flaws involve the JmxMBeanServer class's getMBeanInstantiator method and a recursive Reflection API issue that bypasses Security Manager checks due to improper frame skipping in sun.reflect.Reflection.getCallerClass.

Technologies: [Oracle Java Runtime Environment (JRE)](https://junglewise.ai/threats/technologies/java-runtime-environment-jre). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2013-0422 exploited in the wild?** Yes. CVE-2013-0422 is known to be exploited in the wild, first recorded on 25 May 2022. Treat it as urgent.

**How severe is CVE-2013-0422?** Critical severity, with a CVSS score of 9.8, published 25 May 2022.

**Which products and versions are affected?** Oracle Java 7 before Update 11.

**Is there a fix for CVE-2013-0422?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2013-0422 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2013-0422?** Check whether you run Oracle Java Runtime Environment (JRE). Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Oracle Java 7 before Update 11

## Timeline

- 2013-01-10: exploited: Exploited in the wild as a zero-day, including in Blackhole and Nuclear Pack exploit kits.
- 2013-01-14: advisory: Oracle released a security alert for CVE-2013-0422.
- 2022-05-25: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.

## Related threats

- [Oracle JRE Sandbox Bypass Vulnerability](https://junglewise.ai/threats/cve-2013-0431-oracle-jre-sandbox-bypass-vulnerability)
- [Oracle JRE Unspecified Vulnerability](https://junglewise.ai/threats/cve-2010-0840-oracle-jre-unspecified-vulnerability)
- [Oracle JRE Unspecified Vulnerability](https://junglewise.ai/threats/cve-2013-2423-oracle-jre-unspecified-vulnerability)