Security advisory

{
  "id": "a31871f8cbbac1a224295aa534ec0afc12aa4b31eb7b100d9006c06a21792bd2",
  "url": "https://osv.dev/vulnerability/CVE-2018-20681",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-20681",
    "summary": "mate-screensaver before 1.20.2 in MATE Desktop Environment allows physically proximate attackers to view screen content and possibly control applications. By unplugging and re-plugging or power-cycling external output devices (such as additionally attached graphical outputs via HDMI, VGA, DVI, etc.) the content of a screensaver-locked session can be revealed. In some scenarios, the attacker can execute applications, such as by clicking with a mouse.",
    "evidence": "osv:CVE-2018-20681",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-20681",
      "aliases": [
        "CVE-2018-20681"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mate-desktop/mate-screensaver",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "322a7c56d7bcd8fecce3ab95524f469024509130"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mate-desktop:mate-screensaver:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.20.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.20.1",
            "v1.20.0",
            "v1.19.1",
            "v1.19.0",
            "v1.18.0",
            "v1.17.1",
            "v1.17.0",
            "v1.16.0",
            "v1.15.0",
            "v1.14.1",
            "v1.14.0",
            "v1.13.0",
            "v1.12.0",
            "mate-screensaver-1.11.1",
            "mate-screensaver-1.11.0",
            "mate-screensaver-1.10.1",
            "mate-screensaver-1.10.0",
            "mate-screensaver-1.9.90",
            "mate-screensaver-1.9.2",
            "mate-screensaver-1.9.1",
            "mate-screensaver-1.8.0",
            "mate-screensaver-1.9.0",
            "mate-screensaver-1.7.90",
            "mate-screensaver-1.7.1",
            "mate-screensaver-1.7.0",
            "mate-screensaver-1.6.1",
            "mate-screensaver-1.6.0",
            "mate-screensaver-1.5.2",
            "mate-screensaver-1.5.1",
            "mate-screensaver-1.5.0",
            "mate-screensaver-1.4.0",
            "mate-screensaver-1.2.0",
            "mate-screensaver-1.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20681.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:07.160758907Z",
      "provider": "osv",
      "references": [
        "https://github.com/mate-desktop/mate-screensaver/issues/170",
        "https://github.com/mate-desktop/mate-screensaver/issues/152",
        "https://github.com/mate-desktop/mate-screensaver/pull/167",
        "https://github.com/mate-desktop/mate-screensaver/issues/155"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-20681",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381304,
  "published_at": "2019-01-09T23:29:05.23+00:00"
}