// For flags

CVE-2020-14340

xnio: file descriptor leak caused by growing amounts of NIO Selector file handles may lead to DoS

Severity Score

5.9
*CVSS v3.1

Exploit Likelihood

< 1%
*EPSS

Affected Versions

21
*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se detectó una vulnerabilidad en XNIO en la que se produce un filtrado de descriptores de archivos causada por el crecimiento de la cantidad de manejadores de archivos NIO Selector entre los ciclos de recolección de basura. Puede permitir al atacante causar una denegación de servicio. Afecta a XNIO versiones 3.6.0.Beta1 hasta 3.8.1.Final

A flaw was found in xnio. A file descriptor leak caused by growing amounts of NIO Selector file, handled between garbage collection cycles, may allow the attacker to cause a denial of service. The highest threat from this vulnerability is to system availability.

Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime. This release of Red Hat JBoss Enterprise Application Platform 7.3.3 serves as a replacement for Red Hat JBoss Enterprise Application Platform 7.3.2 and includes bug fixes and enhancements. See the Red Hat JBoss Enterprise Application Platform 7.3.3 Release Notes for information about the most significant bug fixes and enhancements included in this release. Issues addressed include bypass, denial of service, and man-in-the-middle vulnerabilities.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-06-17 CVE Reserved
  • 2020-10-13 CVE Published
  • 2024-08-04 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-400: Uncontrolled Resource Consumption
CAPEC
Affected Vendors, Products, and Versions (21)