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CVE-2020-1774

Estado: ModificadaMedia (4.9)—

When user downloads PGP or S/MIME keys/certificates, exported file has same name for private and public keys. Therefore it's possible to mix them and to send private key to the third-party instead of public key. This issue affects ((OTRS)) Community Edition: 5.0.42 and prior versions, 6.0.27 and prior versions. OTRS: 7.0.16 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 (2)

Debian — Debian LinuxOtrs — Otrs

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-1774",
  "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:P/I:N/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@otrs.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 0.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.2
      }
    ]
  },
  "affected": [
    {
      "source": "security@otrs.com",
      "affectedData": [
        {
          "vendor": "OTRS AG",
          "product": "((OTRS)) Community Edition",
          "versions": [
            {
              "status": "affected",
              "version": "6.0.x <= 6.0.27"
            },
            {
              "status": "affected",
              "version": "5.0.x <= 5.0.42"
            }
          ]
        },
        {
          "vendor": "OTRS AG",
          "product": "OTRS",
          "versions": [
            {
              "status": "affected",
              "version": "7.0.x <= 7.0.16"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-04-28T14:15:14.283",
  "references": [
    {
      "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00000.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "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-2020-11/",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "security@otrs.com"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00000.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "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-2020-11/",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@otrs.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-201"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "When user downloads PGP or S/MIME keys/certificates, exported file has same name for private and public keys. Therefore it's possible to mix them and to send private key to the third-party instead of public key. This issue affects ((OTRS)) Community Edition: 5.0.42 and prior versions, 6.0.27 and prior versions. OTRS: 7.0.16 and prior versions."
    },
    {
      "lang": "es",
      "value": "Cuando el usuario descarga claves y certificados de PGP o S/MIME, el archivo exportado presenta el mismo nombre para las claves privadas y públicas. Por lo tanto, es posible mezclarlos y enviar la clave privada a un tercero en lugar de la clave pública. Este problema afecta a ((OTRS)) Community Edition: versiones 5.0.42 y anteriores, versiones 6.0.27 y anteriores. OTRS: versiones 7.0.16 y anteriores."
    }
  ],
  "lastModified": "2026-06-17T03:02:22.560",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "06492F1B-5810-429D-BB78-8706F9E74AEE",
              "versionEndIncluding": "5.0.42",
              "versionStartIncluding": "5.0.0"
            },
            {
              "criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "03EA383C-3BB5-46CF-AEBE-C2B3B92446A6",
              "versionEndIncluding": "6.0.27",
              "versionStartIncluding": "6.0.0"
            },
            {
              "criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "59B100A3-DB5D-466B-BFA3-094EB95A0E4E",
              "versionEndIncluding": "7.0.16",
              "versionStartIncluding": "7.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
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              "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"
            }
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  ],
  "sourceIdentifier": "security@otrs.com"
}