CVE-2022-0547

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Source
https://cve.org/CVERecord?id=CVE-2022-0547
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-0547.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-0547
Downstream
Related
Published
2022-03-18T18:15:12.017Z
Modified
2026-03-10T23:53:09.674278Z
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

Git / github.com/openvpn/openvpn

Affected ranges

Type
GIT
Repo
https://github.com/openvpn/openvpn
Events
Introduced
4580320b22946a1dd65039a6efcd616ee5e4ac3b
Fixed
058407a89cb812115b383570b12f4c2fde500d39
Introduced
a73072d8f780e888aca7d79b993b1e59c9d8f364
Fixed
e8df2e64d6f817e63025f78b29bc624772d5c3d6
Database specific 
{
    "versions": [
        {
            "introduced": "2.1.0"
        },
        {
            "fixed": "2.4.12"
        },
        {
            "introduced": "2.5.0"
        },
        {
            "fixed": "2.5.6"
        }
    ]
}

Affected versions

v2.*
v2.1.0
v2.1.1
v2.1.2
v2.1.3
v2.2-RC
v2.2-RC2
v2.2-beta4
v2.2-beta5
v2.3-alpha1
v2.3_alpha2
v2.3_alpha3
v2.3_beta1
v2.4.0
v2.4.1
v2.4.10
v2.4.11
v2.4.2
v2.4.3
v2.4.4
v2.4.5
v2.4.6
v2.4.7
v2.4.8
v2.4.9
v2.4_alpha1
v2.4_alpha2
v2.4_beta1
v2.4_beta2
v2.4_rc1
v2.4_rc2
v2.5.0
v2.5.1
v2.5.2
v2.5.3
v2.5.4
v2.5.5
v2.5_beta1
v2.5_beta2
v2.5_beta3
v2.5_beta4
v2.5_rc1
v2.5_rc2
v2.5_rc3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-0547.json"
unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "34"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "36"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.0"
            }
        ]
    }
]