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CVE-2021-31164

Estado: ModificadaAlta (7.5)—

Apache Unomi prior to version 1.5.5 allows CRLF log injection because of the lack of escaping in the log statements.

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)

Apache — Unomi

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-31164",
  "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": "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": "security@apache.org",
      "affectedData": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Unomi",
          "versions": [
            {
              "status": "affected",
              "version": "Apache Unomi",
              "lessThan": "1.5.5",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-05-04T07:15:07.803",
  "references": [
    {
      "url": "http://unomi.apache.org/security/cve-2021-31164",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security@apache.org"
    },
    {
      "url": "http://unomi.apache.org/security/cve-2021-31164",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@apache.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-93"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-74"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Apache Unomi prior to version 1.5.5 allows CRLF log injection because of the lack of escaping in the log statements."
    },
    {
      "lang": "es",
      "value": "Apache Unomi versiones anteriores a 1.5.5, permite la inyección de registros CRLF debido a una falta de escape en las sentencias de registro"
    }
  ],
  "lastModified": "2026-06-17T03:51:21.687",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apache:unomi:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B3B79510-E504-4FC0-BB9E-59F0ECE5653F",
              "versionEndExcluding": "1.5.5"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@apache.org"
}