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CVE-2021-20992

24
FAUCET Score

CVE-2021-20992 describes a critical vulnerability in Fibaro Home Center 2 and Lite devices across all versions, where their web management interface operates over unencrypted HTTP. This allows attackers to eavesdrop on communications, potentially hijacking user sessions, tokens, and passwords. With a CVSS score of 7.5 (HIGH), the vulnerability is easily exploitable over the network with low attack complexity, leading to high confidentiality impact. Despite its severity, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:fibaro:home_center_2_firmware:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:fibaro:home_center_lite_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.42%
Probability of exploitation in next 30 days
EPSS Percentile
70.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0142 is in the 51st percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/162243/Fibaro-Home-Center-MITM-Missing-Authentication-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
seclists.org / fulldisclosure/2021/Apr/27
Mailing ListThird Party Advisory
iot-inspector.com / blog/advisory-fibaro-home-center
ExploitThird Party Advisory