Is CVE-2013-0431 in the CISA KEV catalog?

Yes. CVE-2013-0431 is on the CISA Known Exploited Vulnerabilities list, added 2022-05-25, and has known ransomware campaign use.

What is the CVSS severity of CVE-2013-0431?

CVE-2013-0431 has a CVSS v3 base score of 5.3 (MEDIUM).

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

CVE-2013-0431 has an EPSS score of 89.99% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2013-0431?

No published fix for CVE-2013-0431 has been found yet. It is on the CISA Known Exploited Vulnerabilities list; federal agencies must remediate by 2022-06-15. Apply the vendor's mitigations per CISA's guidance.

CVE & CISA-KEV Catalog

CVE-2013-0431

MEDIUMCISA KEVEPSS 100th pctl

5.3

CVSS v3

NVD

Description

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.

CWE-693Protection Mechanism Failure

How to fix

Actively exploited, no published fix found yet

CISA required action: Apply updates per vendor instructions.

Federal remediation due: 2022-06-15

Known ransomware campaign use

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

89.99%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Oracle JRE Sandbox Bypass Vulnerability

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle allows remote attackers to bypass the Java security sandbox.

Apply updates per vendor instructions.

Remediation due: 2022-06-15

Associated with ransomware campaigns

References

Vendor Advisory1

oracle.com

Third-Party Advisory13

Government Resource1

cisa.gov

Other references5

Related Vulnerabilities

Other CWE-693 (Protection Mechanism Failure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2013-2465	Critical	9.8	99%	KEV + Ransom	-
CVE-2024-21412	High	8.1	95%	KEV + Ransom	Fix
CVE-2025-40536	High	8.1	82%	KEV	Fix
CVE-2019-1003030	Critical	9.9	76%	KEV	-
CVE-2025-0411	High	7.0	67%	KEV	Fix
CVE-2026-32202	High	4.3	64%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-21.