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
ALPINE (1)
CLEANSTART (1)
CLSA (4)
DEBIAN (1)
MGASA (1)
OESA (1)
openSUSE (2)
SUSE (4)
UBUNTU (1)
Related
openSUSE (2)
SUSE (4)
Published
2022-03-18T18:00:20Z
Modified
2026-10-28T02:31:01Z
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.

Database specific 
{
    "cna_assigner": "OpenVPN",
    "cwe_ids": [
        "CWE-305"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/0xxx/CVE-2022-0547.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "range": [
                        {
                            "introduced": "version 2.1 until version 2.4.12 and 2.5.6."
                        },
                        {
                            "last_affected": "version 2.1 until version 2.4.12 and 2.5.6."
                        }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                }
            ]
        }
    ]
}
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
Show details 
{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "2.1.0"
                },
                {
                    "fixed": "2.4.12"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "cpe": "cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "2.5.0"
                },
                {
                    "fixed": "2.5.6"
                }
            ],
            "source": "CPE_RANGE"
        }
    ]
}

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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-0547.json"