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CVE-2021-22770

Estado: ModificadaMedia (6.5)—

A CWE-200: Information Exposure vulnerability exists in Easergy T300 with firmware V2.7.1 and older that exposes sensitive information to an actor not explicitly authorized to have access to that 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)

Schneider-electric — Easergy T300 Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-22770",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cybersecurity@se.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Easergy T300 with firmware V2.7.1 and older",
          "versions": [
            {
              "status": "affected",
              "version": "Easergy T300 with firmware V2.7.1 and older"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-07-21T15:15:14.977",
  "references": [
    {
      "url": "http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-02",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cybersecurity@se.com"
    },
    {
      "url": "http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-02",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cybersecurity@se.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A CWE-200: Information Exposure vulnerability exists in Easergy T300 with firmware V2.7.1 and older that exposes sensitive information to an actor not explicitly authorized to have access to that information."
    },
    {
      "lang": "es",
      "value": "A CWE-200: Se presenta una vulnerabilidad de Exposición de Información en Easergy T300 con versiones de firmware V2.7.1 y anteriores, que expone información confidencial a un actor no autorizado explícitamente tener acceso a dicha información"
    }
  ],
  "lastModified": "2026-06-17T03:37:44.720",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "E07AFED6-47CC-4A19-80DB-C537F4F07736",
              "versionEndIncluding": "2.7.1"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
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            }
          ],
          "operator": "OR"
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      "operator": "AND"
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  "sourceIdentifier": "cybersecurity@se.com"
}