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VULNERABILITIES

CVE-2020-12834 Details

Description

eQ-3 Homematic Central Control Unit (CCU)2 through 2.51.6 and CCU3 through 3.51.6 allow Remote Code Execution in the JSON API Method ReGa.runScript, by unauthenticated attackers with access to the web interface, due to the default auto-login feature being enabled during first-time setup (or factory reset).

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://psytester.github.io/CVE-2020-12834/ CVEExploitThird Party Advisory
https://psytester.github.io/CVE-2020-12834/ [email protected]ExploitThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-276Incorrect Default Permissions[email protected]

Affected Products

ProductVersions
eq-3 homematic ccu2 firmware
<= 2.51.6

CPE

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

Remediation

  • No remediation found in references.
eq-3 homematic ccu2
All versions

CPE

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

Remediation

  • No remediation found in references.
eq-3 ccu3 firmware
<= 3.51.6

CPE

  • cpe:2.3:o:eq-3:ccu3_firmware:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
eq-3 homematic ccu3
All versions

CPE

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

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-12834
NVD Published Date:
May 15, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-12834 Details - Not Deferred