CVE-2019-3834

moderate-risk
Published 2019-10-03

It was found that the fix for CVE-2014-0114 had been reverted in JBoss Operations Network 3 (JON). This flaw allows attackers to manipulate ClassLoader properties on a vulnerable server. Exploits that have been published rely on ClassLoader properties that are exposed such as those in JON 3. Additional information can be found in the Red Hat Knowledgebase article: https://access.redhat.com/site/solutions/869353. Note that while multiple products released patches for the original CVE-2014-0114 flaw, the reversion described by this CVE-2019-3834 flaw only occurred in JON 3.

Do I need to act?

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0.33% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.3/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Redhat

References (2)

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3834
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3834
32
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal