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cvelistIcscertCVELIST:CVE-2023-5909
HistoryNov 30, 2023 - 10:05 p.m.

CVE-2023-5909 Improper Validation of Certificate with Host Mismatch in PTC KEPServerEx

2023-11-3022:05:59
CWE-297
icscert
www.cve.org
2
cve-2023-5909
improper validation
certificate host mismatch
unauthenticated users
connection

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

27.1%

KEPServerEX does not properly validate certificates from clients which may allow unauthenticated users to connect.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "KEPServerEX",
    "vendor": "PTC",
    "versions": [
      {
        "lessThanOrEqual": "6.14.263.0",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "ThingWorx Kepware Server",
    "vendor": "PTC",
    "versions": [
      {
        "lessThanOrEqual": "6.14.263.0",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "ThingWorx Industrial Connectivity",
    "vendor": "PTC",
    "versions": [
      {
        "status": "affected",
        "version": "All versions"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "OPC-Aggregator",
    "vendor": "PTC",
    "versions": [
      {
        "lessThanOrEqual": "6.14",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "ThingWorx Kepware Edge",
    "vendor": "PTC",
    "versions": [
      {
        "lessThanOrEqual": "1.7",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "KEPServer Enterprise",
    "vendor": "Rockwell Automation ",
    "versions": [
      {
        "lessThanOrEqual": "6.14.263.0",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "Industrial Gateway Server",
    "vendor": "GE Gigital",
    "versions": [
      {
        "lessThanOrEqual": "7.614",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "TOP Server",
    "vendor": "Software Toolbox",
    "versions": [
      {
        "lessThanOrEqual": "6.14.263.0",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

27.1%

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