Exploited vulnerability · CISA KEV

Is CVE-2013-0422 exploited? Yes: in CISA KEV since 25 May 2022

Gociux · Oracle Java Runtime Environment (JRE) · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2013-0422, Oracle JRE Remote Code Execution Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 25 May 2022, 3422 days after it was published. It is known to be used in ransomware campaigns. It affects Oracle Java Runtime Environment (JRE). If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 25 May 2022

ransomwareKnownused in campaigns

EPSStop 1%among the most likely CVEs to be exploited

severity9.8CVSS 3.1 · critical

US federal due15 Jun 2022BOD 22-01 deadline

What it is

A vulnerability in the way Java restricts the permissions of Java applets could allow an attacker to execute commands on a vulnerable system.

Vendor	Oracle (46 exploited CVEs in KEV)
Product	Java Runtime Environment (JRE)
Vulnerability	Oracle JRE Remote Code Execution Vulnerability
Weakness	CWE-264
Published	10 Jan 2013
Added to KEV	25 May 2022
Reported by (CNA)	oracle

What to do

Check whether you run it. Look for Java Runtime Environment (JRE) in your asset inventory, including appliances and cloud images. Stack check lists every exploited Oracle CVE at once.
Apply the fix. Apply updates per vendor instructions.
If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 10 Jan 2013.
Get told next time. Email alerts when CISA adds a CVE for Oracle.

Other exploited CVEs in Java Runtime Environment (JRE)

CVE-2013-2423: Oracle JRE Unspecified Vulnerability (25 May 2022)
CVE-2013-0431: Oracle JRE Sandbox Bypass Vulnerability (25 May 2022)
CVE-2010-0840: Oracle JRE Unspecified Vulnerability (25 May 2022)

References

nvd.nist.gov/vuln/detail/CVE-2013-0422

Questions

Is CVE-2013-0422 being exploited?

Yes. CISA added CVE-2013-0422 to the Known Exploited Vulnerabilities catalog on 25 May 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2013-0422 used in ransomware attacks?

Yes, CISA lists it as known to be used in ransomware campaigns.

How do I fix CVE-2013-0422?

Apply updates per vendor instructions. Check Oracle's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Java Runtime Environment (JRE) and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in May 2022 · Oracle scorecard · act-now radar.

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