CVE-2013-2423

CVE-2013-2423 is a low-severity vulnerability in Oracle Jre with a CVSS 3.x base score of 3.7. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-05-25). The underlying weakness is classified as CWE-284.

Key facts

Description

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 17 and earlier, and OpenJDK 7, allows remote attackers to affect integrity via unknown vectors related to HotSpot. NOTE: the previous information is from the April 2013 CPU. Oracle has not commented on claims from the original researcher that this vulnerability allows remote attackers to bypass permission checks by the MethodHandles method and modify arbitrary public final fields using reflection and type confusion, as demonstrated using integer and double fields to disable the security manager.

Frequently asked questions

What is CVE-2013-2423?
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 17 and earlier, and OpenJDK 7, allows remote attackers to affect integrity via unknown vectors related to HotSpot. NOTE: the previous information is from the April 2013 CPU. Oracle has not commented on claims from the original researcher that this vulnerability allows remote attackers to bypass permission checks by the MethodHandles method and modify arbitrary public final fields using reflection and type confusion, as demonstrated using integer and double fields to disable the security manager.
How severe is CVE-2013-2423?
CVE-2013-2423 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2013-2423 being actively exploited?
Yes. CVE-2013-2423 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-05-25, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2013-2423?
CVE-2013-2423 primarily affects Oracle Jre. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-2423?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2013-2423 have an EU (EUVD) identifier?
Yes. CVE-2013-2423 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2013-2369. It is also flagged as exploited in the EUVD (since 2022-05-25).
When was CVE-2013-2423 published?
CVE-2013-2423 was published on 2013-04-17 and last updated on 2026-06-16.

References

Affected products (15)

More vulnerabilities in Oracle Jre

All CVEs affecting Oracle Jre →

Other CWE-284 (Improper Access Control) vulnerabilities

Browse all CWE-284 (Improper Access Control) vulnerabilities →