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CVE-2024-1899

Estado: AnalizadaMedia (5.3)—

An issue in the anchors subparser of Showdownjs versions <= 2.1.0 could allow a remote attacker to cause denial of service conditions.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Showdownjs — Showdown

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2024-1899",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-1899",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-02-27T15:00:09.096812Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "vulnreport@tenable.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "vulnreport@tenable.com",
      "affectedData": [
        {
          "repo": "https://github.com/showdownjs/showdown",
          "vendor": "Showdownjs",
          "product": "Showdown",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "2.1.0"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:showdownjs:showdown:*:*:*:*:*:*:*:*"
          ],
          "vendor": "showdownjs",
          "product": "showdown",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "2.1.0"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2024-02-26T19:15:07.037",
  "references": [
    {
      "url": "https://www.tenable.com/security/research/tra-2024-05",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "vulnreport@tenable.com"
    },
    {
      "url": "https://www.tenable.com/security/research/tra-2024-05",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-674"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue in the anchors subparser of Showdownjs versions <= 2.1.0 could allow a remote attacker to cause denial of service conditions.\n"
    },
    {
      "lang": "es",
      "value": "Un problema en el subanalizador de anclajes de las versiones de Showdownjs &lt;= 2.1.0 podría permitir que un atacante remoto provoque condiciones de denegación de servicio."
    }
  ],
  "lastModified": "2026-06-17T07:05:14.907",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:showdownjs:showdown:*:*:*:*:*:node.js:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A7F39C12-6E6D-462A-87ED-4553514246A9",
              "versionEndIncluding": "2.1.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "vulnreport@tenable.com"
}