CVE-2021-42072

Source
https://cve.org/CVERecord?id=CVE-2021-42072
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-42072.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-42072
Downstream
Related
Published
2021-11-08T04:15:08.437Z
Modified
2026-03-18T11:47:43.944025Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in Barrier before 2.4.0. The barriers component (aka the server-side implementation of Barrier) does not sufficiently verify the identify of connecting clients. Clients can thus exploit weaknesses in the provided protocol to cause denial-of-service or stage further attacks that could lead to information leaks or integrity corruption.

References

Affected packages

Git / github.com/debauchee/barrier

Affected ranges

Type
GIT
Repo
https://github.com/debauchee/barrier
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Database specific
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.4.0"
        }
    ]
}

Affected versions

1.*
1.6.0
1.6.1
1.6.2
1.6.3-final
1.7.0
v1.*
v1.7.1-stable
v1.7.2-stable
v1.7.3-stable
v1.8.0-beta
v1.8.1-stable
v1.8.3-stable
v1.8.4-stable
v1.8.5-stable
v1.8.6-stable
v1.8.7-stable
v1.8.8-stable
v2.*
v2.0.0
v2.0.0-RC1
v2.0.0-RC2
v2.1.0
v2.1.1
v2.1.2
v2.3.0
v2.3.1
v2.3.2
v2.3.3

Database specific

unresolved_ranges
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "34"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "35"
            }
        ]
    }
]
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-42072.json"