CVE-2013-2471: Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 21 and earlier,…

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of 29 Oct 2026.

VulnCheck KEV lists it since 1 Sep 2021. It cites 1 public report, the first from 1 Sep 2021.

• mandiant.com

How likely is exploitation in the next 30 days?

15%

EPSS score, percentile 96.7 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?

Not scored

The CVE record carries no CVSS score.

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

Advisories and patches (12)

Which versions are affected?

Not stated. The CVE record gives vendor and product as “n/a” and the version as “unspecified”.

Source: CISA KEV 2026.10.29, as of 29 Oct 2026; VulnCheck KEV, as of 30 Oct 2026; FIRST EPSS, as of 29 Oct 2026; CVE List, as of 30 Oct 2026. About the data.

Description

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 21 and earlier, 6 Update 45 and earlier, and 5.0 Update 45 and earlier, and OpenJDK 7, allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to 2D. NOTE: the previous information is from the June 2013 CPU. Oracle has not commented on claims from another vendor that this issue allows remote attackers to bypass the Java sandbox via vectors related to "Incorrect IntegerComponentRaster size checks."

Source: CVE List, as of 30 Oct 2026. About the data.

What to do

Advisories and patches

• RHSA-2013:1060 (Vendor advisory)
• HPSBUX02908 (Vendor advisory)
• RHSA-2014:0414 (Vendor advisory)
• GLSA-201406-32 (Vendor advisory)
• SUSE-SU-2013:1264 (Vendor advisory)
• SUSE-SU-2013:1257 (Vendor advisory)
• HPSBUX02907 (Vendor advisory)
• SUSE-SU-2013:1256 (Vendor advisory)
• RHSA-2013:1455 (Vendor advisory)
• SSRT101305 (Vendor advisory)
• SUSE-SU-2013:1263 (Vendor advisory)
• RHSA-2013:1059 (Vendor advisory)

This summary is based on the CVE record as of 30 Oct 2026. Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

The CVE record does not name affected products or versions: vendor and product are “n/a” and the version is “unspecified”.

Source: CVE List, as of 30 Oct 2026. About the data.

Timeline

Known exploited Oracle vulnerabilities

• CVE-2026-21962: Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in Improper Access Control Vulnerability (added 24 Aug 2026)
• CVE-2026-46817: Oracle E-Business Suite Improper Privilege Management Vulnerability (added 15 Jul 2026)
• CVE-2026-35273: Oracle PeopleSoft Enterprise PeopleTools Missing Authentication for Critical Function Vulnerability (added 12 Jun 2026)
• CVE-2024-21182: Oracle WebLogic Server Unspecified Vulnerability (added 1 Jun 2026)
• CVE-2025-61757: Oracle Fusion Middleware Missing Authentication for Critical Function Vulnerability (added 21 Nov 2025)