VDB-173192 · CVE-2021-20989 · GCVE-0-2021-20989

Fibaro Home Center/Home Center Lite up to 4.600 SSH Connection authorization

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Fibaro Home Center and Home Center Lite up to 4.600. This affects an unknown function of the component SSH Connection Handler. Such manipulation leads to authorization. This vulnerability is uniquely identified as CVE-2021-20989. The attack can be launched remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in Fibaro Home Center and Home Center Lite up to 4.600 and classified as critical. Affected by this issue is an unknown code block of the component SSH Connection Handler. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 04/19/2021. The advisory is shared for download at iot-inspector.com. This vulnerability is handled as CVE-2021-20989. Technical details are unknown but a public exploit is available.

The exploit is available at packetstormsecurity.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Fibaro

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.6
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/17/2020 🔍
04/19/2021 +122 days 🔍
04/19/2021 +0 days 🔍
06/25/2024 +1163 days 🔍

Sourcesinfo

Advisory: iot-inspector.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2021-20989 (🔍)
GCVE (CVE): GCVE-0-2021-20989
GCVE (VulDB): GCVE-100-173192
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/19/2021 21:00
Updated: 06/25/2024 05:02
Changes: 04/19/2021 21:00 (36), 04/23/2021 09:53 (3), 04/23/2021 09:57 (1), 04/28/2021 07:57 (18), 06/25/2024 05:02 (22)
Complete: 🔍
Cache ID: 216::103