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CVE-2021-31923

Estado: ModificadaMedia (5.3)—

Ping Identity PingAccess before 5.3.3 allows HTTP request smuggling via header manipulation.

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)

Pingidentity — Pingaccess

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-31923",
  "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": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "responsible-disclosure@pingidentity.com",
      "affectedData": [
        {
          "vendor": "Ping Identity",
          "product": "PingAccess",
          "versions": [
            {
              "status": "affected",
              "version": "5.3"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-09-24T03:15:06.497",
  "references": [
    {
      "url": "https://docs.pingidentity.com/bundle/pingaccess-53/page/wco1629833104567.html",
      "source": "responsible-disclosure@pingidentity.com"
    },
    {
      "url": "https://docs.pingidentity.com/bundle/pingaccess-53/page/wco1629833104567.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-444"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Ping Identity PingAccess before 5.3.3 allows HTTP request smuggling via header manipulation."
    },
    {
      "lang": "es",
      "value": "Ping Identity PingAccess versiones anteriores a 5.3.3, permite un contrabando de peticiones HTTP por medio de la manipulación de encabezados."
    }
  ],
  "lastModified": "2026-06-17T03:52:30.017",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pingidentity:pingaccess:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1A740C41-9799-48C0-ABB2-F0315FA37007",
              "versionEndExcluding": "5.3.3"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "responsible-disclosure@pingidentity.com"
}