CVE-2022-0547
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
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.
Overview
- CVE ID
- CVE-2022-0547
- Assigner
- security@openvpn.net
- Vulnerability Status
- Analyzed
- Published Version
- 2022-03-18T18:15:12
- Last Modified Date
- 2022-09-09T16:48:21
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:* | 1 | OR | 2.1.0 | 2.4.12 |
| cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:* | 1 | OR | 2.5.0 | 2.5.6 |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://community.openvpn.net/openvpn/wiki/CVE-2022-0547 | Vendor Advisory |
| https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements | Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GFXJ35WKPME4HYNQCQNAJHLCZOJL2SAE/ | Mailing List Patch Release Notes Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R36OYC5SJ6FLPVAYJYYT4MOJ2I7MGYFF/ | Mailing List Patch Release Notes Third Party Advisory |
| https://openvpn.net/community-downloads/ | Patch Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2022-0547 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0547 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-04-04 00:41:10 | Added to TrackCVE | |||
| 2022-12-06 12:46:37 | 2022-03-18T18:15Z | 2022-03-18T18:15:12 | CVE Published Date | updated |
| 2022-12-06 12:46:37 | 2022-09-09T16:48:21 | CVE Modified Date | updated | |
| 2022-12-06 12:46:37 | Analyzed | Vulnerability Status | updated | |
| 2022-12-06 12:46:42 | References | updated |