fkie_nvd - fkie_cve-2025-53476

fkie_cve-2025-53476

Vulnerability from fkie_nvd

Published

2025-10-07 14:15

Modified

2025-11-03 18:16

Severity ?

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Summary

A denial of service vulnerability exists in the ModbusTCP server functionality of OpenPLC _v3 a931181e8b81e36fadf7b74d5cba99b73c3f6d58. A specially crafted series of network connections can lead to the server not processing subsequent Modbus requests. An attacker can open a series of TCP connections to trigger this vulnerability.

References

	URL	Tags
	talos-cna@cisco.com	https://talosintelligence.com/vulnerability_reports/TALOS-2025-2223
	af854a3a-2127-422b-91ae-364da2661108	https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2223

Impacted products

	Vendor	Product	Version

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A denial of service vulnerability exists in the ModbusTCP server functionality of OpenPLC _v3 a931181e8b81e36fadf7b74d5cba99b73c3f6d58. A specially crafted series of network connections can lead to the server not processing subsequent Modbus requests. An attacker can open a series of TCP connections to trigger this vulnerability."
    }
  ],
  "id": "CVE-2025-53476",
  "lastModified": "2025-11-03T18:16:58.337",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "talos-cna@cisco.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-10-07T14:15:37.270",
  "references": [
    {
      "source": "talos-cna@cisco.com",
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2223"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2223"
    }
  ],
  "sourceIdentifier": "talos-cna@cisco.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-775"
        }
      ],
      "source": "talos-cna@cisco.com",
      "type": "Secondary"
    }
  ]
}

CVE-2025-53476 (GCVE-0-2025-53476)

Vulnerability from cvelistv5

Published

2025-10-07 13:49

Modified

2025-11-03 17:44

Severity ?

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE

CWE-775 - Missing Release of File Descriptor or Handle after Effective Lifetime

Summary

A denial of service vulnerability exists in the ModbusTCP server functionality of OpenPLC _v3 a931181e8b81e36fadf7b74d5cba99b73c3f6d58. A specially crafted series of network connections can lead to the server not processing subsequent Modbus requests. An attacker can open a series of TCP connections to trigger this vulnerability.

References

URL

Tags

https://talosintelligence.com/vulnerability_reports/TALOS-2025-2223

Impacted products

	Vendor	Product	Version
	OpenPLC	OpenPLC_v3	Version: a931181e8b81e36fadf7b74d5cba99b73c3f6d58

Show details on NVD website

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-53476",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-07T14:33:42.008541Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-07T15:28:56.205Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T17:44:59.045Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2223"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "OpenPLC_v3",
          "vendor": "OpenPLC",
          "versions": [
            {
              "status": "affected",
              "version": "a931181e8b81e36fadf7b74d5cba99b73c3f6d58"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Discovered by a member of Cisco Talos."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A denial of service vulnerability exists in the ModbusTCP server functionality of OpenPLC _v3 a931181e8b81e36fadf7b74d5cba99b73c3f6d58. A specially crafted series of network connections can lead to the server not processing subsequent Modbus requests. An attacker can open a series of TCP connections to trigger this vulnerability."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-775",
              "description": "CWE-775: Missing Release of File Descriptor or Handle after Effective Lifetime",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-07T13:49:56.656Z",
        "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
        "shortName": "talos"
      },
      "references": [
        {
          "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2223",
          "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2223"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
    "assignerShortName": "talos",
    "cveId": "CVE-2025-53476",
    "datePublished": "2025-10-07T13:49:56.656Z",
    "dateReserved": "2025-07-11T21:16:14.229Z",
    "dateUpdated": "2025-11-03T17:44:59.045Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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