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CVE-2023-20232

Estado: ModificadaMedia (5.3)—

A vulnerability in the Tomcat implementation for Cisco Unified Contact Center Express (Unified CCX) could allow an unauthenticated, remote attacker to cause a web cache poisoning attack on an affected device.

This vulnerability is due to improper input validation of HTTP requests. An attacker could exploit this vulnerability by sending crafted HTTP requests to a specific API endpoint on the Unified CCX Finesse Portal. A successful exploit could allow the attacker to cause the internal WebProxy to redirect users to an attacker-controlled host.

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)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-20232",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
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        "source": "psirt@cisco.com",
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          "version": "3.1",
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          "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"
        },
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      {
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          "confidentialityImpact": "NONE"
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        "exploitabilityScore": 3.9
      }
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  "affected": [
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      "affectedData": [
        {
          "vendor": "Cisco",
          "product": "Cisco Unified Contact Center Express",
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              "version": "11.6(2)ES06"
            },
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              "status": "affected",
              "version": "11.6(1)ES02"
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              "status": "affected",
              "version": "11.6(2)ES01"
            },
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              "version": "11.6(2)ES03"
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            {
              "status": "affected",
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              "status": "affected",
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        }
      ]
    }
  ],
  "published": "2023-08-16T22:15:12.597",
  "references": [
    {
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-uccx-wcp-JJeqDT3S",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-uccx-wcp-JJeqDT3S",
      "tags": [
        "Patch",
        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
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      "source": "psirt@cisco.com",
      "description": [
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          "lang": "en",
          "value": "CWE-20"
        }
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  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the Tomcat implementation for Cisco Unified Contact Center Express (Unified CCX) could allow an unauthenticated, remote attacker to cause a web cache poisoning attack on an affected device. \r\n\r This vulnerability is due to improper input validation of HTTP requests. An attacker could exploit this vulnerability by sending crafted HTTP requests to a specific API endpoint on the Unified CCX Finesse Portal. A successful exploit could allow the attacker to cause the internal WebProxy to redirect users to an attacker-controlled host."
    }
  ],
  "lastModified": "2026-06-17T05:29:58.907",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:cisco:unified_contact_center_express:*:*:*:*:*:*:*:*",
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              "versionEndExcluding": "12.5\\(1\\)_su2_es05"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "psirt@cisco.com"
}