Is CVE-2013-0431 being actively exploited?

Yes. CVE-2013-0431 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on May 25, 2022.

What is the CVSS score for CVE-2013-0431?

CVE-2013-0431 has a CVSS 3.1 base score of 3.7 (LOW).

CVE-2013-0431

LOW · CVSS 3.7CISA KEV: actively exploitedEPSS 90.1%EU EUVD: exploited

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 through Update 11, and OpenJDK 7, allows user-assisted remote attackers to bypass the Java security sandbox via unspecified vectors related to JMX, aka "Issue 52," a different vulnerability than CVE-2013-1490.

Key facts

CVSS score: 3.7 (v3.1)
Severity: LOW
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-693
EPSS score: 90.1% (100th percentile)
In CISA KEV: Yes, added May 25, 2022
In EU EUVD: Yes (EUVD-2013-0442)
Published: January 31, 2013
NVD last modified: October 2, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Oracle JRE Sandbox Bypass Vulnerability

Added to the KEV catalog on May 25, 2022; federal remediation due June 15, 2022. Known to be used in ransomware campaigns.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-0442 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 1, 2026.

View on the EU Vulnerability Database

Affected products

oracle / jre
oracle / jre
oracle / jre
oracle / jre
oracle / jre
oracle / jre
oracle / jre
oracle / jre
oracle / jre
oracle / jre
oracle / jre
oracle / openjdk

References

http://arstechnica.com/security/2013/01/critical-java-vulnerabilies-confirmed-in-latest-version/(Third Party Advisory)
http://blogs.computerworld.com/malware-and-vulnerabilities/21693/yet-another-java-security-flaw-discovered-number-53(Not Applicable)
http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00001.html(Third Party Advisory)
http://marc.info/?l=bugtraq&m=136439120408139&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=136733161405818&w=2(Mailing List, Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2013-0237.html(Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2013-0247.html(Third Party Advisory)
http://seclists.org/fulldisclosure/2013/Jan/142(Mailing List, Third Party Advisory)
http://seclists.org/fulldisclosure/2013/Jan/195(Mailing List, Third Party Advisory)
http://security.gentoo.org/glsa/glsa-201406-32.xml(Third Party Advisory)
http://www.informationweek.com/security/application-security/java-hacker-uncovers-two-flaws-in-latest/240146717(Broken Link)
http://www.kb.cert.org/vuls/id/858729(Third Party Advisory, US Government Resource)
http://www.mandriva.com/security/advisories?name=MDVSA-2013:095(Not Applicable)
http://www.oracle.com/technetwork/topics/security/javacpufeb2013-1841061.html(Vendor Advisory)
http://www.securityfocus.com/archive/1/525387/30/0/threaded(Third Party Advisory, VDB Entry)
http://www.us-cert.gov/cas/techalerts/TA13-032A.html(Third Party Advisory, US Government Resource)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16579(Broken Link)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19418(Broken Link)
https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0056(Third Party Advisory)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-0431(US Government Resource)

Last updated October 4, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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