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CERTVDECVE-2021-20999

HistoryMay 13, 2021 - 2:15 p.m.

CVE-2021-20999

2021-05-1314:15:18

CWE-668

CERTVDE

web.nvd.nist.gov

cve-2021-20999

weidmüller

u-controls

iot-gateways

network security

vulnerability

nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.2

Confidence

High

EPSS

0.002

Percentile

60.7%

JSON

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.

Affected configurations

Nvd

Node

weidmuelleruc20-wl2000-ac_firmwareRange1.3.0–1.9.1

weidmuelleruc20-wl2000-ac_firmwareRange1.10.0–1.10.3

weidmuelleruc20-wl2000-ac_firmwareMatch1.11.0

weidmuelleruc20-wl2000-ac_firmwareMatch1.12.1

AND

weidmuelleruc20-wl2000-acMatch-

Node

weidmuelleruc20-wl2000-iot_firmwareRange1.3.0–1.9.1

weidmuelleruc20-wl2000-iot_firmwareRange1.10.0–1.10.3

weidmuelleruc20-wl2000-iot_firmwareMatch1.11.0

weidmuelleruc20-wl2000-iot_firmwareMatch1.12.1

AND

weidmuelleruc20-wl2000-iotMatch-

Node

weidmuelleriot-gw30_firmwareRange1.3.0–1.9.1

weidmuelleriot-gw30_firmwareRange1.10.0–1.10.3

weidmuelleriot-gw30_firmwareMatch1.11.0

weidmuelleriot-gw30_firmwareMatch1.12.1

AND

weidmuelleriot-gw30Match-

Node

weidmuelleriot-gw30-4g-eu_firmwareRange1.3.0–1.9.1

weidmuelleriot-gw30-4g-eu_firmwareRange1.10.0–1.10.3

weidmuelleriot-gw30-4g-eu_firmwareMatch1.11.0

weidmuelleriot-gw30-4g-eu_firmwareMatch1.12.1

AND

weidmuelleriot-gw30-4g-euMatch-

VendorProductVersionCPE
weidmuelleruc20-wl2000-ac_firmware*cpe:2.3:o:weidmueller:uc20-wl2000-ac_firmware:*:*:*:*:*:*:*:*
weidmuelleruc20-wl2000-ac_firmware1.11.0cpe:2.3:o:weidmueller:uc20-wl2000-ac_firmware:1.11.0:*:*:*:*:*:*:*
weidmuelleruc20-wl2000-ac_firmware1.12.1cpe:2.3:o:weidmueller:uc20-wl2000-ac_firmware:1.12.1:*:*:*:*:*:*:*
weidmuelleruc20-wl2000-ac-cpe:2.3:h:weidmueller:uc20-wl2000-ac:-:*:*:*:*:*:*:*
weidmuelleruc20-wl2000-iot_firmware*cpe:2.3:o:weidmueller:uc20-wl2000-iot_firmware:*:*:*:*:*:*:*:*
weidmuelleruc20-wl2000-iot_firmware1.11.0cpe:2.3:o:weidmueller:uc20-wl2000-iot_firmware:1.11.0:*:*:*:*:*:*:*
weidmuelleruc20-wl2000-iot_firmware1.12.1cpe:2.3:o:weidmueller:uc20-wl2000-iot_firmware:1.12.1:*:*:*:*:*:*:*
weidmuelleruc20-wl2000-iot-cpe:2.3:h:weidmueller:uc20-wl2000-iot:-:*:*:*:*:*:*:*
weidmuelleriot-gw30_firmware*cpe:2.3:o:weidmueller:iot-gw30_firmware:*:*:*:*:*:*:*:*
weidmuelleriot-gw30_firmware1.11.0cpe:2.3:o:weidmueller:iot-gw30_firmware:1.11.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
weidmueller	uc20-wl2000-ac_firmware	*	cpe:2.3:o:weidmueller:uc20-wl2000-ac_firmware::::::::
weidmueller	uc20-wl2000-ac_firmware	1.11.0	cpe:2.3:o:weidmueller:uc20-wl2000-ac_firmware:1.11.0:::::::*
weidmueller	uc20-wl2000-ac_firmware	1.12.1	cpe:2.3:o:weidmueller:uc20-wl2000-ac_firmware:1.12.1:::::::*
weidmueller	uc20-wl2000-ac	-	cpe:2.3:h:weidmueller:uc20-wl2000-ac:-:::::::*
weidmueller	uc20-wl2000-iot_firmware	*	cpe:2.3:o:weidmueller:uc20-wl2000-iot_firmware::::::::
weidmueller	uc20-wl2000-iot_firmware	1.11.0	cpe:2.3:o:weidmueller:uc20-wl2000-iot_firmware:1.11.0:::::::*
weidmueller	uc20-wl2000-iot_firmware	1.12.1	cpe:2.3:o:weidmueller:uc20-wl2000-iot_firmware:1.12.1:::::::*
weidmueller	uc20-wl2000-iot	-	cpe:2.3:h:weidmueller:uc20-wl2000-iot:-:::::::*
weidmueller	iot-gw30_firmware	*	cpe:2.3:o:weidmueller:iot-gw30_firmware::::::::
weidmueller	iot-gw30_firmware	1.11.0	cpe:2.3:o:weidmueller:iot-gw30_firmware:1.11.0:::::::*

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CNA Affected

[
  {
    "product": "UC20-WL2000-AC (No. 1334950000)",
    "vendor": "Weidmüller",
    "versions": [
      {
        "lessThanOrEqual": "1.9.0",
        "status": "affected",
        "version": "1.3.0",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "1.10.2",
        "status": "affected",
        "version": "1.10.0",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "1.12.1",
        "status": "affected",
        "version": "1.11.0",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "UC20-WL2000-IOT (No. 1334990000)",
    "vendor": "Weidmüller",
    "versions": [
      {
        "lessThanOrEqual": "1.9.0",
        "status": "affected",
        "version": "1.3.0",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "1.10.2",
        "status": "affected",
        "version": "1.10.0",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "1.12.1",
        "status": "affected",
        "version": "1.11.0",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "IOT-GW30 (No. 2682620000)",
    "vendor": "Weidmüller",
    "versions": [
      {
        "lessThanOrEqual": "1.9.0",
        "status": "affected",
        "version": "1.3.0",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "1.10.2",
        "status": "affected",
        "version": "1.10.0",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "1.12.1",
        "status": "affected",
        "version": "1.11.0",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "IOT-GW30-4G-EU (No. 2682630000)",
    "vendor": "Weidmüller",
    "versions": [
      {
        "lessThanOrEqual": "1.9.0",
        "status": "affected",
        "version": "1.3.0",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "1.10.2",
        "status": "affected",
        "version": "1.10.0",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "1.12.1",
        "status": "affected",
        "version": "1.11.0",
        "versionType": "custom"
      }
    ]
  }
]

References

cert.vde.com/en-us/advisories/vde-2021-016

Social References

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.2

Confidence

High

EPSS

0.002

Percentile

60.7%

JSON

Related for CVE-2021-20999