Security advisory

{
  "id": "e7fc702e4f45e0bb18bcb7b29ee00de54b8880a1ea2471e6db32e6e4ef336960",
  "url": "https://osv.dev/vulnerability/CVE-2021-41583",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-41583",
    "summary": "vpn-user-portal (aka eduVPN or Let's Connect!) before 2.3.14, as packaged for Debian 10, Debian 11, and Fedora, allows remote authenticated users to obtain OS filesystem access, because of the interaction of QR codes with an exec that uses the -r option. This can be leveraged to obtain additional VPN access.",
    "evidence": "osv:CVE-2021-41583",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-41583",
      "aliases": [
        "CVE-2021-41583"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/eduvpn/vpn-user-portal",
              "type": "GIT",
              "events": [
                {
                  "introduced": "3a850e1df3b81811623ffcce7823359915661fba"
                },
                {
                  "fixed": "17465316ec610d5a55dcc0bf538522ca612993c2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:eduvpn:vpn-user-portal:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.3.2"
                      },
                      {
                        "fixed": "2.3.14"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.3.13",
            "2.3.12",
            "2.3.11",
            "2.3.10",
            "2.3.9",
            "2.3.8",
            "2.3.7",
            "2.3.6",
            "2.3.5",
            "2.3.4",
            "2.3.3",
            "2.3.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41583.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:59.239674931Z",
      "provider": "osv",
      "references": [
        "https://github.com/eduvpn/vpn-user-portal/releases",
        "https://list.surfnet.nl/pipermail/eduvpn-deploy/2021-September/000352.html"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-41583",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386635,
  "published_at": "2021-09-24T03:15:06.62+00:00"
}