FKIE_CVE-2023-4418

Vulnerability from fkie_nvd - Published: 2023-08-24 19:15 - Updated: 2026-06-17 06:37
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A remote unprivileged attacker can sent multiple packages to the LMS5xx to disrupt its availability through a TCP SYN-based denial-of-service (DDoS) attack. By exploiting this vulnerability, an attacker can flood the targeted LMS5xx with a high volume of TCP SYN requests, overwhelming its resources and causing it to become unresponsive or unavailable for legitimate users.
References
psirt@sick.dehttps://sick.com/.well-known/csaf/white/2023/sca-2023-0007.jsonVendor Advisory
psirt@sick.dehttps://sick.com/.well-known/csaf/white/2023/sca-2023-0007.pdfVendor Advisory
psirt@sick.dehttps://sick.com/psirtVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.jsonVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.pdfVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://sick.com/psirtVendor Advisory
Impacted products
Vendor Product Version
sick lms531_firmware *
sick lms531 -
sick lms511_firmware *
sick lms511 -
sick lms500_firmware *
sick lms500 -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "affected",
          "product": "LMS5xx",
          "vendor": "SICK AG",
          "versions": [
            {
              "status": "affected",
              "version": "all firmware versions"
            }
          ]
        }
      ],
      "source": "psirt@sick.de"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:h:sick:lms5xx:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "lms5xx",
          "vendor": "sick",
          "versions": [
            {
              "lessThan": "*",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "configurations": [
    {
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        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:sick:lms531_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5943B624-D730-4679-8118-CD29CFB4CD1C",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:h:sick:lms531:-:*:*:*:*:*:*:*",
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              "vulnerable": false
            }
          ],
          "negate": false,
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        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:sick:lms511_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F113FA6F-F3CC-43C7-97A4-D40F8F1F5E9F",
              "vulnerable": true
            }
          ],
          "negate": false,
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        },
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              "vulnerable": false
            }
          ],
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        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
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              "vulnerable": true
            }
          ],
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              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A remote unprivileged attacker can sent multiple packages to the LMS5xx to disrupt its availability through a TCP SYN-based denial-of-service (DDoS) attack. \nBy exploiting this vulnerability, an attacker can flood the targeted LMS5xx with a high volume of TCP SYN requests, overwhelming its resources and causing it to become unresponsive or unavailable for legitimate users."
    }
  ],
  "id": "CVE-2023-4418",
  "lastModified": "2026-06-17T06:37:47.137",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "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:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "psirt@sick.de",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "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:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-4418",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-10-02T19:55:17.446547Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-08-24T19:15:42.890",
  "references": [
    {
      "source": "psirt@sick.de",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.json"
    },
    {
      "source": "psirt@sick.de",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.pdf"
    },
    {
      "source": "psirt@sick.de",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://sick.com/psirt"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.json"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://sick.com/psirt"
    }
  ],
  "sourceIdentifier": "psirt@sick.de",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.