Exploited· due 2022-06-155.3mediumMediumused in ransomware

CVE-2013-0431

Oracle Jre

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.

Exploitation status

CISA has confirmed this is being exploited in the wild. That is an observation of real attacks, not a prediction.
It is known to have been used in ransomware campaigns.
US federal civilian agencies are required to remediate it by 2022-06-15. That deadline does not bind private companies, but it is a reasonable benchmark for how urgently CISA views it.
A vendor advisory or patch reference has been published.

Required action

Apply updates per vendor instructions.

CISA’s wording, unedited.

What the metrics mean

It is reachable over a network, without needing local access.
For an attacker who can reach it, no special conditions are needed to exploit it.
To exploit it, no account is needed.
Beyond that, no action by a user is required.

Scoring

CVSS: 5.3 (v3.1)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-693
Assigned by: secalert_us@oracle.com

Dates

Published: 2013-01-31
Last modified: 2026-08-14
Added to KEV: 2022-05-25
Remediation due: 2022-06-15
Sources: CISA KEV, NVD

Affected products

Oracle Jre1.7.0
Oracle Openjdk7

As listed in the NVD configuration data. Not a statement about your estate.