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CVE-2020-1771

Estado: ModificadaMedia (5.4)—

Attacker is able craft an article with a link to the customer address book with malicious content (JavaScript). When agent opens the link, JavaScript code is executed due to the missing parameter encoding. This issue affects: ((OTRS)) Community Edition: 6.0.26 and prior versions. OTRS: 7.0.15 and prior versions.

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)

Otrs — Otrs

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-1771",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@otrs.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.6,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 2.1
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "security@otrs.com",
      "affectedData": [
        {
          "vendor": "OTRS AG",
          "product": "((OTRS)) Community Edition",
          "versions": [
            {
              "status": "affected",
              "version": "6.0.x",
              "versionType": "custom",
              "lessThanOrEqual": "6.0.26"
            }
          ]
        },
        {
          "vendor": "OTRS AG",
          "product": "OTRS",
          "versions": [
            {
              "status": "affected",
              "version": "7.0.x",
              "versionType": "custom",
              "lessThanOrEqual": "7.0.15"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-03-27T13:15:15.333",
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00038.html",
      "tags": [
        "Broken Link"
      ],
      "source": "security@otrs.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00066.html",
      "tags": [
        "Broken Link"
      ],
      "source": "security@otrs.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00077.html",
      "tags": [
        "Broken Link"
      ],
      "source": "security@otrs.com"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html",
      "source": "security@otrs.com"
    },
    {
      "url": "https://otrs.com/release-notes/otrs-security-advisory-2020-08/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@otrs.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00038.html",
      "tags": [
        "Broken Link"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00066.html",
      "tags": [
        "Broken Link"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00077.html",
      "tags": [
        "Broken Link"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://otrs.com/release-notes/otrs-security-advisory-2020-08/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@otrs.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Attacker is able craft an article with a link to the customer address book with malicious content (JavaScript). When agent opens the link, JavaScript code is executed due to the missing parameter encoding. This issue affects: ((OTRS)) Community Edition: 6.0.26 and prior versions. OTRS: 7.0.15 and prior versions."
    },
    {
      "lang": "es",
      "value": "Un atacante es capaz de diseñar un artículo con un enlace hacia la libreta de direcciones del cliente con contenido malicioso (JavaScript). Cuando el agente abre el enlace, el código JavaScript es ejecutado debido a la falta de codificación de parámetros. Este problema afecta a: ((OTRS)) Community Edition: versiones 6.0.26 y anteriores. OTRS: versiones 7.0.15 y anteriores."
    }
  ],
  "lastModified": "2026-06-17T03:02:22.213",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D59B7180-350C-4CB2-82F6-DE65E13AEED9",
              "versionEndIncluding": "5.0.41",
              "versionStartIncluding": "5.0.0"
            },
            {
              "criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0EF80E5E-ED59-4BEE-9EBF-34485DCABED1",
              "versionEndIncluding": "6.0.26",
              "versionStartIncluding": "6.0.0"
            },
            {
              "criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "57789F0A-B1F9-4E57-BA71-5558A285D1CA",
              "versionEndIncluding": "7.0.15",
              "versionStartIncluding": "7.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@otrs.com"
}