DEBIAN-CVE-2022-0547

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Source
https://security-tracker.debian.org/tracker/CVE-2022-0547
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-0547.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2022-0547
Upstream
Published
2022-03-18T18:15:12Z
Modified
2025-09-25T23:26:03.842574Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

OpenVPN 2.1 until v2.4.12 and v2.5.6 may enable authentication bypass in external authentication plug-ins when more than one of them makes use of deferred authentication replies, which allows an external user to be granted access with only partially correct credentials.

References

Affected packages

Debian:11 / openvpn

Package

Name
openvpn
Purl
pkg:deb/debian/openvpn?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.5.1-3+deb11u1

Affected versions

2.*

2.5.1-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / openvpn

Package

Name
openvpn
Purl
pkg:deb/debian/openvpn?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.5.6-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / openvpn

Package

Name
openvpn
Purl
pkg:deb/debian/openvpn?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.5.6-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / openvpn

Package

Name
openvpn
Purl
pkg:deb/debian/openvpn?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.5.6-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}