CVE-2021-27406
CVSS V2 None
CVSS V3 High 8.8
Description
An attacker can take leverage on PerFact OpenVPN-Client versions 1.4.1.0 and prior to send the config command from any application running on the local host machine to force the back-end server into initializing a new open-VPN instance with arbitrary open-VPN configuration. This could result in the attacker achieving execution with privileges of a SYSTEM user.
Overview
- CVE ID
- CVE-2021-27406
- Assigner
- ics-cert@hq.dhs.gov
- Vulnerability Status
- Analyzed
- Published Version
- 2022-10-14T17:15:10
- Last Modified Date
- 2022-10-18T13:38:40
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:perfact:openvpn-client:*:*:*:*:*:*:*:* | 1 | OR | 1.4.1.0 |
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-21-056-01 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-27406 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27406 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-10-14 18:00:11 | Added to TrackCVE | |||
| 2022-12-07 07:33:33 | 2022-10-14T17:15Z | 2022-10-14T17:15:10 | CVE Published Date | updated |
| 2022-12-07 07:33:33 | 2022-10-18T13:38:40 | CVE Modified Date | updated | |
| 2022-12-07 07:33:33 | Analyzed | Vulnerability Status | updated |