CVE-2021-20989
CVSS V2 Medium 4.3
CVSS V3 Medium 5.9
Description
Fibaro Home Center 2 and Lite devices with firmware version 4.600 and older initiate SSH connections to the Fibaro cloud to provide remote access and remote support capabilities. This connection can be intercepted using DNS spoofing attack and a device initiated remote port-forward channel can be used to connect to the web management interface. Knowledge of authorization credentials to the management interface is required to perform any further actions.
Overview
- CVE ID
- CVE-2021-20989
- Assigner
- info@cert.vde.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-04-19T14:15:11
- Last Modified Date
- 2022-10-29T02:49:32
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:fibaro:home_center_2_firmware:*:*:*:*:*:*:*:* | 1 | OR | 4.600 | |
| cpe:2.3:h:fibaro:home_center_2:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:fibaro:home_center_lite_firmware:*:*:*:*:*:*:*:* | 1 | OR | 4.600 | |
| cpe:2.3:h:fibaro:home_center_lite:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 5.9
- Base Severity
- MEDIUM
- Exploitability Score
- 2.2
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://www.iot-inspector.com/blog/advisory-fibaro-home-center/ | Exploit Third Party Advisory |
| http://seclists.org/fulldisclosure/2021/Apr/27 | Mailing List Third Party Advisory |
| http://packetstormsecurity.com/files/162243/Fibaro-Home-Center-MITM-Missing-Authentication-Code-Execution.html | Exploit Third Party Advisory VDB Entry |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20989 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20989 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:14:33 | Added to TrackCVE | |||
| 2022-12-06 02:05:39 | 2021-04-19T14:15Z | 2021-04-19T14:15:11 | CVE Published Date | updated |
| 2022-12-06 02:05:39 | 2022-10-29T02:49:32 | CVE Modified Date | updated | |
| 2022-12-06 02:05:39 | Analyzed | Vulnerability Status | updated |