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CVE-2021-29041

Estado: ModificadaMedia (6.5)—

Denial-of-service (DoS) vulnerability in the Multi-Factor Authentication module in Liferay DXP 7.3 before fix pack 1 allows remote authenticated attackers to prevent any user from authenticating by (1) enabling Time-based One-time password (TOTP) on behalf of the other user or (2) modifying the other user's TOTP shared secret.

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)

Liferay — DXP

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-29041",
  "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:N/I:N/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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      }
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    "cvssMetricV31": [
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
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  "affected": [
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      "affectedData": [
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          "product": "n/a",
          "versions": [
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  "published": "2021-05-16T16:15:07.260",
  "references": [
    {
      "url": "https://issues.liferay.com/browse/LPE-17131",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
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    },
    {
      "url": "https://issues.liferay.com/browse/LPE-17131",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "NVD-CWE-noinfo"
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    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Denial-of-service (DoS) vulnerability in the Multi-Factor Authentication module in Liferay DXP 7.3 before fix pack 1 allows remote authenticated attackers to prevent any user from authenticating by (1) enabling Time-based One-time password (TOTP) on behalf of the other user or (2) modifying the other user's TOTP shared secret."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de denegación de servicio (DoS) en el módulo de autenticación Multi-Factor en Liferay DXP versiones 7.3 anteriores al fixpack 1, permite a atacantes autenticados remotos impedir a cualquier usuario autenticarse al (1) habilitar la contraseña única basada en el tiempo (TOTP) en nombre del otro usuario o (2) modificar el secreto compartido de TOTP del otro usuario"
    }
  ],
  "lastModified": "2026-07-09T01:16:51.010",
  "configurations": [
    {
      "nodes": [
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          "negate": false,
          "cpeMatch": [
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              "versionEndExcluding": "7.3"
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  "sourceIdentifier": "cve@mitre.org"
}