{
  "document": {
    "aggregate_severity": {
      "text": "Medium"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/debian11els/vex/2020/cve-2020-27748-els_os-debian11els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-09-16T14:02:01Z",
      "generator": {
        "date": "2026-09-16T14:02:01Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2020-27748-ELS_OS-DEBIAN11ELS",
      "initial_release_date": "2020-01-01T00:00:00Z",
      "revision_history": [
        {
          "date": "2020-01-01T00:00:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-09-16T14:02:01Z",
          "number": "2",
          "summary": "Official Publication"
        }
      ],
      "status": "final",
      "version": "2"
    },
    "title": "Security update on CVE-2020-27748"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Debian 11",
                "product": {
                  "name": "Debian 11",
                  "product_id": "Debian-11",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:debian:debian_linux:11:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Debian"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "xdg-utils-0:1.1.3-4.1.all",
                "product": {
                  "name": "xdg-utils-0:1.1.3-4.1.all",
                  "product_id": "xdg-utils-0:1.1.3-4.1.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/debian/xdg-utils@1.1.3-4.1?arch=all"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "all"
          }
        ],
        "category": "vendor",
        "name": "Software in the Public Interest, Inc."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "xdg-utils-0:1.1.3-4.1+tuxcare.els1.all",
                "product": {
                  "name": "xdg-utils-0:1.1.3-4.1+tuxcare.els1.all",
                  "product_id": "xdg-utils-0:1.1.3-4.1+tuxcare.els1.all",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/xdg-utils@1.1.3-4.1%2Btuxcare.els1?arch=all"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "all"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "xdg-utils-0:1.1.3-4.1+tuxcare.els1.all as a component of Debian 11",
          "product_id": "Debian-11:xdg-utils-0:1.1.3-4.1+tuxcare.els1.all"
        },
        "product_reference": "xdg-utils-0:1.1.3-4.1+tuxcare.els1.all",
        "relates_to_product_reference": "Debian-11"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "xdg-utils-0:1.1.3-4.1.all as a component of Debian 11",
          "product_id": "Debian-11:xdg-utils-0:1.1.3-4.1.all"
        },
        "product_reference": "xdg-utils-0:1.1.3-4.1.all",
        "relates_to_product_reference": "Debian-11"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2020-27748",
      "cwe": {
        "id": "CWE-201",
        "name": "Insertion of Sensitive Information Into Sent Data"
      },
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the xdg-email component of xdg-utils-1.1.0-rc1 and newer. When handling mailto: URIs, xdg-email allows attachments to be discreetly added via the URI when being passed to Thunderbird. An attacker could potentially send a victim a URI that automatically attaches a sensitive file to a new email. If a victim user does not notice that an attachment was added and sends the email, this could result in sensitive information disclosure. It has been confirmed that the code behind this issue is in xdg-email and not in Thunderbird.",
          "title": "Vulnerability description"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "known_affected": [
          "Debian-11:xdg-utils-0:1.1.3-4.1+tuxcare.els1.all",
          "Debian-11:xdg-utils-0:1.1.3-4.1.all"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2020-27748"
        },
        {
          "category": "external",
          "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=1899769",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1899769"
        },
        {
          "category": "external",
          "summary": "https://gitlab.freedesktop.org/xdg/xdg-utils/-/issues/177",
          "url": "https://gitlab.freedesktop.org/xdg/xdg-utils/-/issues/177"
        }
      ],
      "release_date": "2021-06-01T14:15:00Z",
      "remediations": [
        {
          "category": "no_fix_planned",
          "date": "2026-09-07T14:37:48.260889Z",
          "details": "This issue only triggers in an interactive desktop session when xdg-email invokes Thunderbird as the mailto handler, requiring a user to click a crafted mailto: link and then actively send the message, at which point the attachment is visible in the compose window. It provides no code execution or privilege escalation; the worst case is disclosure of a file already readable by that user. Server and VM deployments without a desktop mail client configured for mailto handling are not meaningfully exposed, so this can be safely deprioritized.",
          "product_ids": [
            "Debian-11:xdg-utils-0:1.1.3-4.1+tuxcare.els1.all",
            "Debian-11:xdg-utils-0:1.1.3-4.1.all"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "Debian-11:xdg-utils-0:1.1.3-4.1+tuxcare.els1.all",
            "Debian-11:xdg-utils-0:1.1.3-4.1.all"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ]
    }
  ]
}