Security advisory

{
  "id": "b9be34122d688683955ea9111f1c9ff8119a7aa4e2ac821fc676cd1904ffe5b5",
  "url": "https://osv.dev/vulnerability/CVE-2020-27187",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-27187",
    "summary": "An issue was discovered in KDE Partition Manager 4.1.0 before 4.2.0. The kpmcore_externalcommand helper contains a logic flaw in which the service invoking D-Bus is not properly checked. An attacker on the local machine can replace /etc/fstab, and execute mount and other partitioning related commands, while KDE Partition Manager is running. the mount command can then be used to gain full root privileges.",
    "evidence": "osv:CVE-2020-27187",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-27187",
      "aliases": [
        "CVE-2020-27187"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/kde/partitionmanager",
              "type": "GIT",
              "events": [
                {
                  "introduced": "72cdc794df40f22b135f31204a7afd1d488739a5"
                },
                {
                  "fixed": "b34b656c24099e1263c3601b43092f9624283940"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:kde:partition_manager:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.1.0"
                      },
                      {
                        "fixed": "4.2.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-27187.json"
          }
        }
      ],
      "modified": "2026-10-20T10:53:00.880746387Z",
      "provider": "osv",
      "references": [
        "https://github.com/KDE/partitionmanager/compare/v4.1.0...v4.2.0",
        "https://security.gentoo.org/glsa/202011-03",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1890199",
        "https://kde.org/info/security/advisory-20201017-1.txt"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-27187",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384143,
  "published_at": "2020-10-26T17:15:12.813+00:00"
}