CVE-2021-42075

HIGH

Barrier < 2.3.4 - Resource Leak

Title source: rule
STIX 2.1

Description

An issue was discovered in Barrier before 2.3.4. The barriers component (aka the server-side implementation of Barrier) does not correctly close file descriptors for established TCP connections. An unauthenticated remote attacker can thus cause file descriptor exhaustion in the server process, leading to denial of service.

Scores

CVSS v3 7.5
EPSS 0.0089
EPSS Percentile 75.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-772
Status published
Products (1)
barrier_project/barrier < 2.3.4
Published Nov 08, 2021
Tracked Since Feb 18, 2026