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

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CVE-2021-20999

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
13/05/2021
Last modified:
07/11/2023

Description

In Weidmüller u-controls and IoT-Gateways in versions up to 1.12.1 a network port intended only for device-internal usage is accidentally accessible via external network interfaces. By exploiting this vulnerability the device may be manipulated or the operation may be stopped.

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:o:weidmueller:uc20-wl2000-ac_firmware:*:*:*:*:*:*:*:* 1.3.0 (including) 1.9.1 (excluding)
cpe:2.3:o:weidmueller:uc20-wl2000-ac_firmware:*:*:*:*:*:*:*:* 1.10.0 (including) 1.10.3 (excluding)
cpe:2.3:o:weidmueller:uc20-wl2000-ac_firmware:1.11.0:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:uc20-wl2000-ac_firmware:1.12.1:*:*:*:*:*:*:*
cpe:2.3:h:weidmueller:uc20-wl2000-ac:-:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:uc20-wl2000-iot_firmware:*:*:*:*:*:*:*:* 1.3.0 (including) 1.9.1 (excluding)
cpe:2.3:o:weidmueller:uc20-wl2000-iot_firmware:*:*:*:*:*:*:*:* 1.10.0 (including) 1.10.3 (excluding)
cpe:2.3:o:weidmueller:uc20-wl2000-iot_firmware:1.11.0:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:uc20-wl2000-iot_firmware:1.12.1:*:*:*:*:*:*:*
cpe:2.3:h:weidmueller:uc20-wl2000-iot:-:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:iot-gw30_firmware:*:*:*:*:*:*:*:* 1.3.0 (including) 1.9.1 (excluding)
cpe:2.3:o:weidmueller:iot-gw30_firmware:*:*:*:*:*:*:*:* 1.10.0 (including) 1.10.3 (excluding)
cpe:2.3:o:weidmueller:iot-gw30_firmware:1.11.0:*:*:*:*:*:*:*
cpe:2.3:o:weidmueller:iot-gw30_firmware:1.12.1:*:*:*:*:*:*:*
cpe:2.3:h:weidmueller:iot-gw30:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools