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CVE-2021-23146

Estado: ModificadaAlta (7.5)—

An Incomplete Comparison with Missing Factors vulnerability in the Gallagher Controller allows an attacker to bypass PIV verification. This issue affects: Gallagher Command Centre 8.40 versions prior to 8.40.1888 (MR3); 8.30 versions prior to 8.30.1359 (MR3); 8.20 versions prior to 8.20.1259 (MR5); 8.10 versions prior to 8.10.1284 (MR7); version 8.00 and prior versions.

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)

Gallagher — Command Centre

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-23146",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "disclosures@gallagher.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.1,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 4.2,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "disclosures@gallagher.com",
      "affectedData": [
        {
          "vendor": "Gallagher",
          "product": "Command Center",
          "versions": [
            {
              "status": "affected",
              "version": "8.40 prior to 8.40.1888 (MR3)"
            },
            {
              "status": "affected",
              "version": "8.30 prior to 8.30.1359 (MR3)"
            },
            {
              "status": "affected",
              "version": "8.20 prior to 8.20.1259 (MR5)"
            },
            {
              "status": "affected",
              "version": "8.10 prior to 8.10.1284 (MR7)"
            },
            {
              "status": "affected",
              "version": "8.00 and prior"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-11-18T18:15:07.730",
  "references": [
    {
      "url": "https://security.gallagher.com/Security-Advisories/CVE-2021-23146",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "disclosures@gallagher.com"
    },
    {
      "url": "https://security.gallagher.com/Security-Advisories/CVE-2021-23146",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "disclosures@gallagher.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1023"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-697"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An Incomplete Comparison with Missing Factors vulnerability in the Gallagher Controller allows an attacker to bypass PIV verification. This issue affects: Gallagher Command Centre 8.40 versions prior to 8.40.1888 (MR3); 8.30 versions prior to 8.30.1359 (MR3); 8.20 versions prior to 8.20.1259 (MR5); 8.10 versions prior to 8.10.1284 (MR7); version 8.00 and prior versions."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de comparación incompleta con factores ausentes en el controlador Gallagher permite a un atacante eludir la verificación PIV. Este problema afecta a: Gallagher Command Centre 8.40 versiones anteriores a 8.40.1888 (MR3); 8.30 versiones anteriores a 8.30.1359 (MR3); 8.20 versiones anteriores a 8.20.1259 (MR5); 8.10 versiones anteriores a 8.10.1284 (MR7); versión 8.00 y versiones anteriores"
    }
  ],
  "lastModified": "2026-06-17T03:38:20.453",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndIncluding": "8.00"
            },
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              "versionEndExcluding": "8.10.1284",
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              "vulnerable": true,
              "matchCriteriaId": "EB8A27CD-C93A-4ED5-AECE-39EB05788C5B",
              "versionEndExcluding": "8.30.1359",
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            },
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          ],
          "operator": "OR"
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    }
  ],
  "sourceIdentifier": "disclosures@gallagher.com"
}