CVE-2021-20989— Fibaro Home Center Insufficient remote access server authorization
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I. Basic Information for CVE-2021-20989
Vulnerability Information
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Vulnerability Title
Fibaro Home Center Insufficient remote access server authorization
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
证书验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
FIBARO Home Center 2 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FIBARO Home Center 2是波兰FIBARO公司的一个应用系统。一个系统集成系统。 Fibaro Home Center 2 存在安全漏洞，该漏洞源于SSH连接可以被DNS spoofing攻击拦截。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Fibar Group S.A | Fibaro Home Center | Home Center 2 ~ 4.600 | - |
II. Public POCs for CVE-2021-20989
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.iot-inspector.com/blog/advisory-fibaro-home-center/x_refsource_CONFIRM
- Packet Stormx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-20989
Same Patch Batch · Fibar Group S.A · 2021-04-19 · 4 CVEs total
| CVE-2021-20991 | 9.8 CRITICAL | Fibaro Home Center Authenticated remote command execution |
| CVE-2021-20992 | 8.1 HIGH | Fibaro Home Center Unencrypted management interface |
| CVE-2021-20990 | 7.5 HIGH | Fibaro Home Center Unauthenticated access to shutdown, reboot and reboot to recovery mode |
IV. Related Vulnerabilities
V. Comments for CVE-2021-20989
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