Vulnerability Details : CVE-2021-42075
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.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2021-42075
Probability of exploitation activity in the next 30 days: 0.19%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 56 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-42075
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
[email protected] |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
[email protected] |
CWE ids for CVE-2021-42075
-
The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.Assigned by: [email protected] (Primary)
References for CVE-2021-42075
-
http://www.openwall.com/lists/oss-security/2021/11/02/4
Exploit;Mailing List;Third Party Advisory
-
https://github.com/debauchee/barrier/releases/tag/v2.3.4
Release Notes;Third Party Advisory
Products affected by CVE-2021-42075
- cpe:2.3:a:barrier_project:barrier:*:*:*:*:*:*:*:*