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CERTVDECVELIST:CVE-2022-30791

HistoryJul 11, 2022 - 10:40 a.m.

CVE-2022-30791 CODESYS V3: CmpBlkDrvTcp allows unauthenticated attackers to block all its available TCP connections

2022-07-1110:40:38

CWE-400

CERTVDE

www.cve.org

codesys v3

cmpblkdrvtcp

unauthenticated attacker

tcp connections

resource consumption

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

38.4%

JSON

In CmpBlkDrvTcp of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new TCP connections. Existing connections are not affected.

CNA Affected

[
  {
    "product": "CODESYS Control RTE (SL)",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V3.5.18.20",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Control RTE (for Beckhoff CX) SL",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V3.5.18.20",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Control Win (SL)",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V3.5.18.20",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Gateway",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V3.5.18.20",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Edge Gateway for Windows",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V3.5.18.20",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS HMI (SL)",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V3.5.18.20",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Development System V3",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V3.5.18.10",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Control Runtime System Toolkit",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V3.5.18.20",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Embedded Target Visu Toolkit",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V3.5.18.20",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Remote Target Visu Toolkit",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V3.5.18.20",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Control for BeagleBone SL",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V4.5.0.0",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Control for Beckhoff CX9020 SL",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V4.5.0.0",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Control for emPC-A/iMX6 SL",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V4.5.0.0",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Control for IOT2000 SL",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V4.5.0.0",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Control for Linux SL",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V4.5.0.0",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Control for PFC100 SL",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V4.5.0.0",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Control for PFC200 SL",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V4.5.0.0",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Control for PLCnext SL",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V4.5.0.0",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Control for Raspberry Pi SL",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V4.5.0.0",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Control for WAGO Touch Panels 600 SL",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V4.5.0.0",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CODESYS Edge Gateway for Linux",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V4.5.0.0",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  }
]

References

customers.codesys.com/index.php?eID=dumpFile&t=f&f=17128&token=bee4d8a57f19be289d623ec90135493b5f9179e3&download=

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

38.4%

JSON

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