CVE-2021-33032 - Vulnerability Details - OpenCVE

A Remote Code Execution (RCE) vulnerability in the WebUI component of the eQ-3 HomeMatic CCU2 firmware up to and including version 2.57.5 and CCU3 firmware up to and including version 3.57.5 allows remote unauthenticated attackers to execute system commands as root via a simple HTTP request.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.50215.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:eq-3:homematic_ccu2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:eq-3:homematic_ccu2:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:eq-3:homematic_ccu3_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:eq-3:homematic_ccu3:-:*:*:*:*:*:*:*

No data.

No data.

Project Subscriptions

Vendors	Products
Eq-3 Subscribe	Homematic Ccu2 Subscribe Homematic Ccu2 Firmware Subscribe Homematic Ccu3 Subscribe Homematic Ccu3 Firmware Subscribe

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://novag.github.io/posts/homematic-unauthenticated-remote-code-execution/
https://www.eq-3.de/downloads/software/HM-CCU2-Firmware_Updates/HM-CCU-2.59.7/HM-CCU2-Changelog.2.59.7.pdf
https://www.eq-3.de/downloads/software/firmware/ccu3-firmware/CCU3-Changelog.3.59.6.pdf

History

No history.

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-07-22T17:45:35

Updated: 2024-08-03T23:42:19.135Z

Reserved: 2021-05-14T00:00:00

Link: CVE-2021-33032

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-07-22T18:15:23.177

Modified: 2024-11-21T06:08:09.627

Link: CVE-2021-33032

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-78

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