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[email protected]CVE-2021-34566

HistoryNov 09, 2022 - 4:15 p.m.

CVE-2021-34566

2022-11-0916:15:10

CWE-120

[email protected]

web.nvd.nist.gov

wago

i/o-check service

cve-2021-34566

vulnerability

nvd

dos

remote attacker

os commands

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.2 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

59.4%

JSON

In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to crash the iocheck process and write memory resulting in loss of integrity and DoS.

Affected configurations

NVD

Node

wago750-8100_firmwareRange<18

wago750-8100_firmwareMatch18-

wago750-8100_firmwareMatch18patch_1

wago750-8100_firmwareMatch18patch_2

AND

wago750-8100Match-

Node

wago750-8101_firmwareRange<18

wago750-8101_firmwareMatch18-

wago750-8101_firmwareMatch18patch_1

wago750-8101_firmwareMatch18patch_2

AND

wago750-8101Match-

Node

wago750-8101\/025-000_firmwareRange<18

wago750-8101\/025-000_firmwareMatch18-

wago750-8101\/025-000_firmwareMatch18patch_1

wago750-8101\/025-000_firmwareMatch18patch_2

AND

wago750-8101\/025-000Match-

Node

wago750-8102_firmwareRange<18

wago750-8102_firmwareMatch18-

wago750-8102_firmwareMatch18patch_1

wago750-8102_firmwareMatch18patch_2

AND

wago750-8102Match-

Node

wago750-8102\/025-000_firmwareRange<18

wago750-8102\/025-000_firmwareMatch18-

wago750-8102\/025-000_firmwareMatch18patch_1

wago750-8102\/025-000_firmwareMatch18patch_2

AND

wago750-8102\/025-000Match-

Node

wago750-8202_firmwareRange<18

wago750-8202_firmwareMatch18-

wago750-8202_firmwareMatch18patch_1

wago750-8202_firmwareMatch18patch_2

AND

wago750-8202Match-

Node

wago750-8202\/000-011_firmwareRange<18

wago750-8202\/000-011_firmwareMatch18-

wago750-8202\/000-011_firmwareMatch18patch_1

wago750-8202\/000-011_firmwareMatch18patch_2

AND

wago750-8202\/000-011Match-

Node

wago750-8202\/000-012_firmwareRange<18

wago750-8202\/000-012_firmwareMatch18-

wago750-8202\/000-012_firmwareMatch18patch_1

wago750-8202\/000-012_firmwareMatch18patch_2

AND

wago750-8202\/000-012Match-

Node

wago750-8202\/000-022_firmwareRange<18

wago750-8202\/000-022_firmwareMatch18-

wago750-8202\/000-022_firmwareMatch18patch_1

wago750-8202\/000-022_firmwareMatch18patch_2

AND

wago750-8202\/000-022Match-

Node

wago750-8202\/025-000_firmwareRange<18

wago750-8202\/025-000_firmwareMatch18-

wago750-8202\/025-000_firmwareMatch18patch_1

wago750-8202\/025-000_firmwareMatch18patch_2

AND

wago750-8202\/025-000Match-

Node

wago750-8202\/025-001_firmwareRange<18

wago750-8202\/025-001_firmwareMatch18-

wago750-8202\/025-001_firmwareMatch18patch_1

wago750-8202\/025-001_firmwareMatch18patch_2

AND

wago750-8202\/025-001Match-

Node

wago750-8202\/025-002_firmwareRange<18

wago750-8202\/025-002_firmwareMatch18-

wago750-8202\/025-002_firmwareMatch18patch_1

wago750-8202\/025-002_firmwareMatch18patch_2

AND

wago750-8202\/025-002Match-

Node

wago750-8202\/040-000_firmwareRange<18

wago750-8202\/040-000_firmwareMatch18-

wago750-8202\/040-000_firmwareMatch18patch_1

wago750-8202\/040-000_firmwareMatch18patch_2

AND

wago750-8202\/040-000Match-

Node

wago750-8202\/040-001_firmwareRange<18

wago750-8202\/040-001_firmwareMatch18-

wago750-8202\/040-001_firmwareMatch18patch_1

wago750-8202\/040-001_firmwareMatch18patch_2

AND

wago750-8202\/040-001Match-

Node

wago752-8303\/8000-002_firmwareRange<18

wago752-8303\/8000-002_firmwareMatch18-

wago752-8303\/8000-002_firmwareMatch18patch_1

wago752-8303\/8000-002_firmwareMatch18patch_2

AND

wago752-8303\/8000-002Match-

Node

wago762-4101_firmwareRange<18

wago762-4101_firmwareMatch18-

wago762-4101_firmwareMatch18patch_1

wago762-4101_firmwareMatch18patch_2

AND

wago762-4101Match-

Node

wago762-4102_firmwareRange<18

wago762-4102_firmwareMatch18-

wago762-4102_firmwareMatch18patch_1

wago762-4102_firmwareMatch18patch_2

AND

wago762-4102Match-

Node

wago762-4103_firmwareRange<18

wago762-4103_firmwareMatch18-

wago762-4103_firmwareMatch18patch_1

wago762-4103_firmwareMatch18patch_2

AND

wago762-4103Match-

Node

wago762-4104_firmwareRange<18

wago762-4104_firmwareMatch18-

wago762-4104_firmwareMatch18patch_1

wago762-4104_firmwareMatch18patch_2

AND

wago762-4104Match-

Node

wago762-4201\/8000-001_firmwareRange<18

wago762-4201\/8000-001_firmwareMatch18-

wago762-4201\/8000-001_firmwareMatch18patch_1

wago762-4201\/8000-001_firmwareMatch18patch_2

AND

wago762-4201\/8000-001Match-

Node

wago762-4202\/8000-001_firmwareRange<18

wago762-4202\/8000-001_firmwareMatch18-

wago762-4202\/8000-001_firmwareMatch18patch_1

wago762-4202\/8000-001_firmwareMatch18patch_2

AND

wago762-4202\/8000-001Match-

Node

wago762-4203\/8000-001_firmwareRange<18

wago762-4203\/8000-001_firmwareMatch18-

wago762-4203\/8000-001_firmwareMatch18patch_1

wago762-4203\/8000-001_firmwareMatch18patch_2

AND

wago762-4203\/8000-001Match-

Node

wago762-4204\/8000-001_firmwareRange<18

wago762-4204\/8000-001_firmwareMatch18-

wago762-4204\/8000-001_firmwareMatch18patch_1

wago762-4204\/8000-001_firmwareMatch18patch_2

AND

wago762-4204\/8000-001Match-

Node

wago762-4205\/8000-001_firmwareRange<18

wago762-4205\/8000-001_firmwareMatch18-

wago762-4205\/8000-001_firmwareMatch18patch_1

wago762-4205\/8000-001_firmwareMatch18patch_2

AND

wago762-4205\/8000-001Match-

Node

wago762-4205\/8000-002_firmwareRange<18

wago762-4205\/8000-002_firmwareMatch18-

wago762-4205\/8000-002_firmwareMatch18patch_1

wago762-4205\/8000-002_firmwareMatch18patch_2

AND

wago762-4205\/8000-002Match-

Node

wago762-4206\/8000-001_firmwareRange<18

wago762-4206\/8000-001_firmwareMatch18-

wago762-4206\/8000-001_firmwareMatch18patch_1

wago762-4206\/8000-001_firmwareMatch18patch_2

AND

wago762-4206\/8000-001Match-

Node

wago762-4206\/8000-002_firmwareRange<18

wago762-4206\/8000-002_firmwareMatch18-

wago762-4206\/8000-002_firmwareMatch18patch_1

wago762-4206\/8000-002_firmwareMatch18patch_2

AND

wago762-4206\/8000-002Match-

Node

wago762-4301\/8000-002_firmwareRange<18

wago762-4301\/8000-002_firmwareMatch18-

wago762-4301\/8000-002_firmwareMatch18patch_1

wago762-4301\/8000-002_firmwareMatch18patch_2

AND

wago762-4301\/8000-002Match-

Node

wago762-4302\/8000-002_firmwareRange<18

wago762-4302\/8000-002_firmwareMatch18-

wago762-4302\/8000-002_firmwareMatch18patch_1

wago762-4302\/8000-002_firmwareMatch18patch_2

AND

wago762-4302\/8000-002Match-

Node

wago762-4303\/8000-002_firmwareRange<18

wago762-4303\/8000-002_firmwareMatch18-

wago762-4303\/8000-002_firmwareMatch18patch_1

wago762-4303\/8000-002_firmwareMatch18patch_2

AND

wago762-4303\/8000-002Match-

Node

wago762-4304\/8000-002_firmwareRange<18

wago762-4304\/8000-002_firmwareMatch18-

wago762-4304\/8000-002_firmwareMatch18patch_1

wago762-4304\/8000-002_firmwareMatch18patch_2

AND

wago762-4304\/8000-002Match-

Node

wago762-4305\/8000-002_firmwareRange<18

wago762-4305\/8000-002_firmwareMatch18-

wago762-4305\/8000-002_firmwareMatch18patch_1

wago762-4305\/8000-002_firmwareMatch18patch_2

AND

wago762-4305\/8000-002Match-

Node

wago762-4306\/8000-002_firmwareRange<18

wago762-4306\/8000-002_firmwareMatch18-

wago762-4306\/8000-002_firmwareMatch18patch_1

wago762-4306\/8000-002_firmwareMatch18patch_2

AND

wago762-4306\/8000-002Match-

Node

wago762-5203\/8000-001_firmwareRange<18

wago762-5203\/8000-001_firmwareMatch18-

wago762-5203\/8000-001_firmwareMatch18patch_1

wago762-5203\/8000-001_firmwareMatch18patch_2

AND

wago762-5203\/8000-001Match-

Node

wago762-5204\/8000-001_firmwareRange<18

wago762-5204\/8000-001_firmwareMatch18-

wago762-5204\/8000-001_firmwareMatch18patch_1

wago762-5204\/8000-001_firmwareMatch18patch_2

AND

wago762-5204\/8000-001Match-

Node

wago762-5205\/8000-001_firmwareRange<18

wago762-5205\/8000-001_firmwareMatch18-

wago762-5205\/8000-001_firmwareMatch18patch_1

wago762-5205\/8000-001_firmwareMatch18patch_2

AND

wago762-5205\/8000-001Match-

Node

wago762-5206\/8000-001_firmwareRange<18

wago762-5206\/8000-001_firmwareMatch18-

wago762-5206\/8000-001_firmwareMatch18patch_1

wago762-5206\/8000-001_firmwareMatch18patch_2

AND

wago762-5206\/8000-001Match-

Node

wago762-5303\/8000-002_firmwareRange<18

wago762-5303\/8000-002_firmwareMatch18-

wago762-5303\/8000-002_firmwareMatch18patch_1

wago762-5303\/8000-002_firmwareMatch18patch_2

AND

wago762-5303\/8000-002Match-

Node

wago762-5304\/8000-002_firmwareRange<18

wago762-5304\/8000-002_firmwareMatch18-

wago762-5304\/8000-002_firmwareMatch18patch_1

wago762-5304\/8000-002_firmwareMatch18patch_2

AND

wago762-5304\/8000-002Match-

Node

wago762-5305\/8000-002_firmwareRange<18

wago762-5305\/8000-002_firmwareMatch18-

wago762-5305\/8000-002_firmwareMatch18patch_1

wago762-5305\/8000-002_firmwareMatch18patch_2

AND

wago762-5305\/8000-002Match-

Node

wago762-5306\/8000-002_firmwareRange<18

wago762-5306\/8000-002_firmwareMatch18-

wago762-5306\/8000-002_firmwareMatch18patch_1

wago762-5306\/8000-002_firmwareMatch18patch_2

AND

wago762-5306\/8000-002Match-

Node

wago762-6201\/8000-001_firmwareRange<18

wago762-6201\/8000-001_firmwareMatch18-

wago762-6201\/8000-001_firmwareMatch18patch_1

wago762-6201\/8000-001_firmwareMatch18patch_2

AND

wago762-6201\/8000-001Match-

Node

wago762-6202\/8000-001_firmwareRange<18

wago762-6202\/8000-001_firmwareMatch18-

wago762-6202\/8000-001_firmwareMatch18patch_1

wago762-6202\/8000-001_firmwareMatch18patch_2

AND

wago762-6202\/8000-001Match-

Node

wago762-6203\/8000-001_firmwareRange<18

wago762-6203\/8000-001_firmwareMatch18-

wago762-6203\/8000-001_firmwareMatch18patch_1

wago762-6203\/8000-001_firmwareMatch18patch_2

AND

wago762-6203\/8000-001Match-

Node

wago762-6204\/8000-001_firmwareRange<18

wago762-6204\/8000-001_firmwareMatch18-

wago762-6204\/8000-001_firmwareMatch18patch_1

wago762-6204\/8000-001_firmwareMatch18patch_2

AND

wago762-6204\/8000-001Match-

Node

wago762-6301\/8000-002_firmwareRange<18

wago762-6301\/8000-002_firmwareMatch18-

wago762-6301\/8000-002_firmwareMatch18patch_1

wago762-6301\/8000-002_firmwareMatch18patch_2

AND

wago762-6301\/8000-002Match-

Node

wago762-6302\/8000-002Match-

AND

wago762-6302\/8000-002_firmwareRange<18

wago762-6302\/8000-002_firmwareMatch18-

wago762-6302\/8000-002_firmwareMatch18patch_1

wago762-6302\/8000-002_firmwareMatch18patch_2

Node

wago762-6303\/8000-002Match-

AND

wago762-6303\/8000-002_firmwareRange<18

wago762-6303\/8000-002_firmwareMatch18-

wago762-6303\/8000-002_firmwareMatch18patch_1

wago762-6303\/8000-002_firmwareMatch18patch_2

Node

wago762-6304\/8000-002Match-

AND

wago762-6304\/8000-002_firmwareRange<18

wago762-6304\/8000-002_firmwareMatch18-

wago762-6304\/8000-002_firmwareMatch18patch_1

wago762-6304\/8000-002_firmwareMatch18patch_2

CPENameOperatorVersion
wago:750-8100_firmwarewago 750-8100 firmwarelt18

CPE	Name	Operator	Version
wago:750-8100_firmware	wago 750-8100 firmware	lt	18

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "750-81xx/xxx-xxxFW",
    "vendor": "WAGO",
    "versions": [
      {
        "lessThanOrEqual": "FW18 Patch 2",
        "status": "affected",
        "version": "FW1",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "750-82xx/xxx-xxx",
    "vendor": "WAGO",
    "versions": [
      {
        "lessThanOrEqual": "FW18 Patch 2",
        "status": "affected",
        "version": "FW1",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "752-8303/8000-0002",
    "vendor": "WAGO",
    "versions": [
      {
        "lessThanOrEqual": "FW18 Patch 2",
        "status": "affected",
        "version": "FW1",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "762-4xxx",
    "vendor": "WAGO",
    "versions": [
      {
        "lessThanOrEqual": "FW18 Patch 2",
        "status": "affected",
        "version": "FW1",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "762-5xxx",
    "vendor": "WAGO",
    "versions": [
      {
        "lessThanOrEqual": "FW18 Patch 2",
        "status": "affected",
        "version": "FW1",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "762-6xxx",
    "vendor": "WAGO",
    "versions": [
      {
        "lessThanOrEqual": "FW18 Patch 2",
        "status": "affected",
        "version": "FW1",
        "versionType": "custom"
      }
    ]
  }
]