Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2019-18937

Severity CVSS v4.0:
Pending analysis
Type:
CWE-306 Missing Authentication for Critical Function
Publication date:
14/11/2019
Last modified:
21/07/2021

Description

eQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the Script Parser AddOn through 1.8 installed allow Remote Code Execution by unauthenticated attackers with access to the web interface via the exec.cgi script, which executes TCL script content from an HTTP POST request.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:scriptparser_project:scriptparser:1.8:*:*:*:*:*:*:*
cpe:2.3:h:eq-3:homematic_ccu2:-:*:*:*:*:*:*:*
cpe:2.3:o:eq-3:homematic_ccu2_firmware:2.47.20:*:*:*:*:*:*:*
cpe:2.3:a:scriptparser_project:scriptparser:1.8:*:*:*:*:*:*:*
cpe:2.3:h:eq-3:homematic_ccu3:-:*:*:*:*:*:*:*
cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.47.18:*:*:*:*:*:*:*
cpe:2.3:a:scriptparser_project:scriptparser:1.7:*:*:*:*:*:*:*
cpe:2.3:h:eq-3:homematic_ccu3:-:*:*:*:*:*:*:*
cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.47.18:*:*:*:*:*:*:*
cpe:2.3:a:scriptparser_project:scriptparser:1.7:*:*:*:*:*:*:*
cpe:2.3:h:eq-3:homematic_ccu2:-:*:*:*:*:*:*:*
cpe:2.3:o:eq-3:homematic_ccu2_firmware:2.47.20:*:*:*:*:*:*:*
cpe:2.3:a:scriptparser_project:scriptparser:1.6:*:*:*:*:*:*:*
cpe:2.3:h:eq-3:homematic_ccu2:-:*:*:*:*:*:*:*
cpe:2.3:o:eq-3:homematic_ccu2_firmware:2.47.20:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools