CVE-2012-4681Multiple vulnerabilities in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 6 and earlier allow remote attackers to execute arbitrary code via a crafted applet that bypasses S…
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It affects oracle jdk and 5 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Mar 3, 2022; federal agencies had to remediate by Mar 24, 2022, and it is known to be used in ransomware. Treat that date as your deadline.
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Multiple vulnerabilities in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 6 and earlier allow remote attackers to execute arbitrary code via a crafted applet that bypasses SecurityManager restrictions by (1) using com.sun.beans.finder.ClassFinder.findClass and leveraging an exception with the forName method to access restricted classes from arbitrary packages such as sun.awt.SunToolkit, then (2) using "reflection with a trusted immediate caller" to leverage the getField method to access and modify private fields, as exploited in the wild in August 2012 using Gondzz.class and Gondvv.class.
- CVSS
- 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-284
- Known exploited
- Added to CISA KEV Mar 3, 2022; federal remediation due Mar 24, 2022; known ransomware useApply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 98.54% (percentile 100)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Aug 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
oracle jdk oracle:jdk | 1.6.0; 1.6.0; 1.6.0; 1.6.0; 1.6.0; 1.6.0; 1.6.0; 1.6.0; and 33 more ranges | NVD |
oracle jre oracle:jre | 1.6.0; 1.6.0; 1.6.0; 1.6.0; 1.6.0; 1.6.0; 1.6.0; 1.6.0; and 32 more ranges | NVD |
redhat enterprise_linux_desktop redhat:enterprise_linux_desktop | 6.0 | NVD |
redhat enterprise_linux_eus redhat:enterprise_linux_eus | 6.3 | NVD |
redhat enterprise_linux_server redhat:enterprise_linux_server | 6.0 | NVD |
redhat enterprise_linux_workstation redhat:enterprise_linux_workstation | 6.0 | NVD |
References
- http://blog.fireeye.com/research/2012/08/zero-day-season-is-not-over-yet.htmlx-refsource-misc, third-party-advisory
- http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00016.htmlvendor-advisory, x-refsource-suse, mailing-list
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00032.htmlvendor-advisory, x-refsource-suse, mailing-list
- http://www.us-cert.gov/cas/techalerts/TA12-240A.htmlthird-party-advisory, x-refsource-cert, us-government-resource
- http://labs.alienvault.com/labs/index.php/2012/new-java-0day-exploited-in-the-wild/x-refsource-misc, broken-link, exploit
- http://marc.info/?l=bugtraq&m=135109152819176&w=2vendor-advisory, x-refsource-hp, issue-tracking, mailing-list, third-party-advisory
- https://community.rapid7.com/community/metasploit/blog/2012/08/27/lets-start-the-week-with-a-new-java-0dayx-refsource-misc, broken-link, third-party-advisory
- http://www.deependresearch.org/2012/08/java-7-vulnerability-analysis.htmlx-refsource-misc, broken-link, third-party-advisory
- http://www.oracle.com/technetwork/topics/security/alert-cve-2012-4681-1835715.htmlx-refsource-confirm, vendor-advisory
- http://rhn.redhat.com/errata/RHSA-2012-1225.htmlvendor-advisory, x-refsource-redhat, third-party-advisory
- http://immunityproducts.blogspot.com/2012/08/java-0day-analysis-cve-2012-4681.htmlx-refsource-misc, exploit, third-party-advisory
- http://secunia.com/advisories/51044third-party-advisory, x-refsource-secunia, not-applicable
- http://www.securityfocus.com/bid/55213vdb-entry, x-refsource-bid, broken-link, third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-4681us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.