USN-5347-1

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Source
https://ubuntu.com/security/notices/USN-5347-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5347-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-5347-1
Upstream
Related
Published
2022-03-24T12:13:58.890345Z
Modified
2025-10-13T04:35:50Z
Summary
openvpn vulnerability
Details

It was discovered that OpenVPN incorrectly handled certain configurations with multiple authentication plugins. A remote attacker could possibly use this issue to bypass authentication using incomplete credentials.

References

Affected packages

Ubuntu:18.04:LTS / openvpn

Package

Name
openvpn
Purl
pkg:deb/ubuntu/openvpn@2.4.4-2ubuntu1.7?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.4-2ubuntu1.7

Affected versions

2.*

2.4.3-4ubuntu1
2.4.4-1ubuntu1
2.4.4-2ubuntu1
2.4.4-2ubuntu1.1
2.4.4-2ubuntu1.2
2.4.4-2ubuntu1.3
2.4.4-2ubuntu1.5
2.4.4-2ubuntu1.6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.4.4-2ubuntu1.7",
            "binary_name": "openvpn"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2022-0547",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:20.04:LTS / openvpn

Package

Name
openvpn
Purl
pkg:deb/ubuntu/openvpn@2.4.7-1ubuntu2.20.04.4?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.7-1ubuntu2.20.04.4

Affected versions

2.*

2.4.7-1ubuntu2
2.4.7-1ubuntu2.20.04.2
2.4.7-1ubuntu2.20.04.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.4.7-1ubuntu2.20.04.4",
            "binary_name": "openvpn"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2022-0547",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}