What is the CVSS score of CVE-2021-20992?

CVE-2021-20992 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 1.4%.

Is there a public PoC exploit available for CVE-2021-20992?

Yes, a public proof-of-concept exploit is available for CVE-2021-20992. Prioritise patching immediately. EPSS: 1.4%.

Home Center 2 Firmware CVE-2021-20992

HIGH

Cleartext Transmission of Sensitive Information (CWE-319)

2021-04-19 info@cert.vde.com

Information Disclosure Home Center 2 Firmware Home Center Lite Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Apr 19, 2021 - 14:15 nvd

HIGH 7.5

DescriptionNVD

In Fibaro Home Center 2 and Lite devices in all versions provide a web based management interface over unencrypted HTTP protocol. Communication between the user and the device can be eavesdropped to hijack sessions, tokens and passwords.

AnalysisAI

In Fibaro Home Center 2 and Lite devices in all versions provide a web based management interface over unencrypted HTTP protocol. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-319. In Fibaro Home Center 2 and Lite devices in all versions provide a web based management interface over unencrypted HTTP protocol. Communication between the user and the device can be eavesdropped to hijack sessions, tokens and passwords. Affected products include: Fibaro Home Center 2 Firmware, Fibaro Home Center Lite Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.