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CVE-2023-46245

Estado: ModificadaAlta (7.2)—

Kimai is a web-based multi-user time-tracking application. Versions prior to 2.1.0 are vulnerable to a Server-Side Template Injection (SSTI) which can be escalated to Remote Code Execution (RCE). The vulnerability arises when a malicious user uploads a specially crafted Twig file, exploiting the software's PDF and HTML rendering functionalities. Version 2.1.0 enables security measures for custom Twig templates.

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)

Kimai — Kimai

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2023-46245",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.2,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.2
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.2,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.2
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "kimai",
          "product": "kimai",
          "versions": [
            {
              "status": "affected",
              "version": "< 2.1.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2023-10-31T16:15:09.697",
  "references": [
    {
      "url": "https://github.com/kimai/kimai/commit/38e37f1c2e91e1acb221ec5c13f11b735bd50ae4",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/kimai/kimai/security/advisories/GHSA-fjhg-96cp-6fcw",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/kimai/kimai/commit/38e37f1c2e91e1acb221ec5c13f11b735bd50ae4",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/kimai/kimai/security/advisories/GHSA-fjhg-96cp-6fcw",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1336"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Kimai is a web-based multi-user time-tracking application. Versions prior to 2.1.0 are vulnerable to a Server-Side Template Injection (SSTI) which can be escalated to Remote Code Execution (RCE). The vulnerability arises when a malicious user uploads a specially crafted Twig file, exploiting the software's PDF and HTML rendering functionalities. Version 2.1.0 enables security measures for custom Twig templates."
    },
    {
      "lang": "es",
      "value": "Kimai es una aplicación de seguimiento del tiempo multiusuario basada en web. Las versiones 2.1.0 y anteriores son vulnerables a una inyección de plantilla del lado del servidor (SSTI) que puede escalarse a Remote Code Execution (RCE). La vulnerabilidad surge cuando un usuario malintencionado carga un archivo Twig especialmente manipulado, explotando las funcionalidades de representación de PDF y HTML del software. Al momento de la publicación, no hay parches ni workarounds disponibles."
    }
  ],
  "lastModified": "2026-06-17T06:30:30.497",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:kimai:kimai:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AEB8D3D0-3954-4848-A54C-DF036038125C",
              "versionEndIncluding": "2.10"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security-advisories@github.com"
}