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CVE-2022-43978

Estado: ModificadaBaja (3.7)—

There is an improper authentication vulnerability in Pandora FMS v764. The application verifies that the user has a valid session when he is not trying to do a login. Since the secret is static in generatePublicHash function, an attacker with knowledge of a valid session can abuse this in order to pass the authentication check.

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)

Pandorafms — Pandora FMS

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-43978",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-43978",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-03-27T20:22:58.307457Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve-coordination@incibe.es",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.6,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 0.4
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 3.7,
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
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          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
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  "affected": [
    {
      "source": "cve-coordination@incibe.es",
      "affectedData": [
        {
          "vendor": "Artica PFMS",
          "product": "Pandora FMS",
          "versions": [
            {
              "status": "affected",
              "version": "v764",
              "versionType": "custom",
              "lessThanOrEqual": "v764"
            }
          ],
          "platforms": [
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  "published": "2023-01-27T22:15:08.533",
  "references": [
    {
      "url": "https://pandorafms.com/en/security/common-vulnerabilities-and-exposures/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve-coordination@incibe.es"
    },
    {
      "url": "https://pandorafms.com/en/security/common-vulnerabilities-and-exposures/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve-coordination@incibe.es",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-798"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "There is an improper authentication vulnerability in Pandora FMS v764. The application verifies that the user has a valid session when he is not trying to do a login. Since the secret is static in generatePublicHash function, an attacker with knowledge of a valid session can abuse this in order to pass the authentication check."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de autenticación inadecuada en Pandora FMS v764. La aplicación verifica que el usuario tiene una sesión válida cuando no está intentando hacer un login. Como el \"secret\" es estático en la función generatePublicHash, un atacante con conocimiento de una sesión válida podría abusar de esto para saltarse la comprobación de autenticación."
    }
  ],
  "lastModified": "2026-06-17T05:07:35.223",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:pandorafms:pandora_fms:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "417781BE-F806-4462-8537-E393BDC54158",
              "versionEndExcluding": "766"
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          "operator": "OR"
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  ],
  "sourceIdentifier": "cve-coordination@incibe.es"
}