FKIE_CVE-2025-27451

Vulnerability from fkie_nvd - Published: 2025-07-03 12:15 - Updated: 2026-02-06 14:38
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
For failed login attempts, the application returns different error messages depending on whether the login failed due to an incorrect password or a non-existing username. This allows an attacker to guess usernames until they find an existing one.
References
psirt@sick.dehttps://sick.com/psirtVendor Advisory
psirt@sick.dehttps://sick.com/psirtVendor Advisory
psirt@sick.dehttps://www.cisa.gov/resources-tools/resources/ics-recommended-practicesUS Government Resource
psirt@sick.dehttps://www.endress.comProduct
psirt@sick.dehttps://www.first.org/cvss/calculator/3.1Not Applicable
psirt@sick.dehttps://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.jsonVendor Advisory
psirt@sick.dehttps://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.pdfVendor Advisory
Impacted products
Vendor Product Version
endress meac300-fnade4_firmware *
endress meac300-fnade4 -
To clipboard 

{
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    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:endress:meac300-fnade4_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D360849D-4E70-4490-918C-9355B021CFD1",
              "versionEndIncluding": "0.16.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
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              "vulnerable": false
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          ],
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          "operator": "OR"
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      "operator": "AND"
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "For failed login attempts, the application returns different error messages depending on whether the login failed due to an incorrect password or a non-existing username. This allows an attacker to guess usernames until they find an existing one."
    },
    {
      "lang": "es",
      "value": "En caso de intentos fallidos de inicio de sesi\u00f3n, la aplicaci\u00f3n muestra diferentes mensajes de error seg\u00fan si el inicio de sesi\u00f3n fall\u00f3 debido a una contrase\u00f1a incorrecta o a un nombre de usuario inexistente. Esto permite a un atacante adivinar nombres de usuario hasta encontrar uno."
    }
  ],
  "id": "CVE-2025-27451",
  "lastModified": "2026-02-06T14:38:48.973",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
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        "impactScore": 1.4,
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        "type": "Secondary"
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  "published": "2025-07-03T12:15:22.960",
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      "source": "psirt@sick.de",
      "tags": [
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      "source": "psirt@sick.de",
      "tags": [
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      ],
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    },
    {
      "source": "psirt@sick.de",
      "tags": [
        "Product"
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      "url": "https://www.endress.com"
    },
    {
      "source": "psirt@sick.de",
      "tags": [
        "Not Applicable"
      ],
      "url": "https://www.first.org/cvss/calculator/3.1"
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      "tags": [
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  ],
  "sourceIdentifier": "psirt@sick.de",
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-204"
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      "type": "Secondary"
    },
    {
      "description": [
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          "lang": "en",
          "value": "CWE-203"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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Detection rules are retrieved from Rulezet.