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cvelistCERTVDECVELIST:CVE-2021-20999
HistoryMay 04, 2021 - 12:00 a.m.

CVE-2021-20999 WEIDMUELLER: Accidentally open network port in u-controls and IoT-Gateways

2021-05-0400:00:00
CWE-668
CERTVDE
www.cve.org

9.4 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

60.8%

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.

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"
      }
    ]
  }
]

Related

nvd 1
cve 1
prion 1
nvd
nvd
CVE-2021-20999
2021-05-13 14:15:18
cve
cve
CVE-2021-20999
2021-05-13 14:15:18
prion
prion
Spoofing
2021-05-13 14:15:00

9.4 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

60.8%

JSON
Related for CVELIST:CVE-2021-20999
nvd1cve1prion1