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CVE-2021-40853

Estado: ModificadaAlta (7.2)—

TCMAN GIM does not perform an authorization check when trying to access determined resources. A remote attacker could exploit this vulnerability to access URL that require privileges without having them. The exploitation of this vulnerability might allow a remote attacker to obtain sensible information.

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)

Tcman — GIM

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-40853",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve-coordination@incibe.es",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 7.2,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 7.2,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve-coordination@incibe.es",
      "affectedData": [
        {
          "vendor": "TCMAN",
          "product": "GIM",
          "versions": [
            {
              "status": "affected",
              "version": "8.0"
            },
            {
              "status": "affected",
              "version": "11.0"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2021-12-17T17:15:13.297",
  "references": [
    {
      "url": "https://www.incibe.es/en/incibe-cert/notices/aviso/tcman-gim-missing-authorization-vulnerability",
      "source": "cve-coordination@incibe.es"
    },
    {
      "url": "https://www.incibe.es/en/incibe-cert/notices/aviso/tcman-gim-missing-authorization-vulnerability",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve-coordination@incibe.es",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "TCMAN GIM does not perform an authorization check when trying to access determined resources. A remote attacker could exploit this vulnerability to access URL that require privileges without having them. The exploitation of this vulnerability might allow a remote attacker to obtain sensible information."
    },
    {
      "lang": "es",
      "value": "TCMAN GIM no lleva a cabo una comprobación de autorización cuando intenta acceder a determinados recursos. Un atacante remoto podría explotar esta vulnerabilidad para acceder a una URL que requiere privilegios sin tenerlos. La explotación de esta vulnerabilidad podría permitir a un atacante remoto obtener información confidencial"
    }
  ],
  "lastModified": "2026-06-17T04:07:32.490",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:tcman:gim:8.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2BE48837-D1A0-4B9B-A4E8-9217D8002D5E"
            },
            {
              "criteria": "cpe:2.3:a:tcman:gim:11.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D6B3BFF6-FD8C-4E8F-8D81-96D988E03C9F"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve-coordination@incibe.es"
}