CVE-2020-14340

Name: CVE-2020-14340
Creator: NVD / NIST
Published: 2021-06-02T13:15:08.083+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 2.22%

Last modified Jun 17, 2026

CVE-2020-14340 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. A vulnerability was discovered in XNIO where file descriptor leak caused by growing amounts of NIO Selector file handles between garbage collection cycles. It may allow the attacker to cause a denial of service. EPSS estimates a 2.22% chance of exploitation in the next 30 days.

Description

A vulnerability was discovered in XNIO where file descriptor leak caused by growing amounts of NIO Selector file handles between garbage collection cycles. It may allow the attacker to cause a denial of service. It affects XNIO versions 3.6.0.Beta1 through 3.8.1.Final.

Metrics

CVSS 3.1

5.9/10

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

EPSS Probability

2.22%

80.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions	Update
Redhat	Xnio	>= 3.6.1, < 3.7.9	—
Redhat	Xnio	>= 3.8.0, < 3.8.2	—
Redhat	Xnio	3.6.0	Beta1
Redhat	Jboss Brms	5	—
Redhat	Jboss Brms	6	—
Redhat	Jboss Data Grid	6.0.0	—
Redhat	Jboss Data Grid	7.0.0	—
Redhat	Jboss Data Virtualization	6.0.0	—
Redhat	Jboss Enterprise Application Platform	5.0.0	—
Redhat	Jboss Enterprise Application Platform	6.0.0	—
Redhat	Jboss Fuse	6.0.0	—
Redhat	Jboss Fuse	7.0.0	—
Redhat	Jboss Operations Network	3.0	—
Redhat	Jboss Soa Platform	5	—
Oracle	Communications Cloud Native Core Console	1.9.0	—
Oracle	Communications Cloud Native Core Network Repository Function	1.14.0	—
Oracle	Communications Cloud Native Core Policy	1.14.0	—
Oracle	Communications Cloud Native Core Security Edge Protection Proxy	1.15.0	—
Oracle	Communications Cloud Native Core Service Communication Proxy	1.14.0	—
Oracle	Communications Cloud Native Core Unified Data Repository	1.14.0	—

References

https://bugzilla.redhat.com/show_bug.cgi?id=1860218Issue Tracking, Vendor Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1860218Issue Tracking, Vendor Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory

Timeline

Published: Jun 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-14340?

How severe is CVE-2020-14340?

CVE-2020-14340 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 2.22% probability of exploitation in the next 30 days.

How do I fix CVE-2020-14340?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-14340?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST