Security advisory

{
  "id": "d5af6a881993df08870f5f6c6c39881547de892c7e635db88e938d8946156a18",
  "url": "https://osv.dev/vulnerability/CVE-2020-12831",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-12831",
    "summary": "An issue was discovered in FRRouting FRR (aka Free Range Routing) through 7.3.1. When using the split-config feature, the init script creates an empty config file with world-readable default permissions, leading to a possible information leak via tools/frr.in and tools/frrcommon.sh.in. NOTE: some parties consider this user error, not a vulnerability, because the permissions are under the control of the user before any sensitive information is present in the file",
    "evidence": "osv:CVE-2020-12831",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-12831",
      "aliases": [
        "CVE-2020-12831"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/frrouting/frr",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "a87315ebda4d4efc369cda93464b110138a6145b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:linuxfoundation:free_range_routing:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "7.3.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "frr-7.3.1",
            "frr-7.3",
            "base_7.3",
            "base_7.2",
            "frr-7.3-dev",
            "frr-7.2-dev",
            "7.1_pulled",
            "frr-7.1-dev",
            "frr-6.1-dev",
            "frr-5.1-dev",
            "reindent-master-after",
            "reindent-master-before",
            "frr-3.1-dev",
            "frr-3.0-branchpoint"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12831.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:08.646539245Z",
      "provider": "osv",
      "references": [
        "https://bugzilla.redhat.com/show_bug.cgi?id=1830805",
        "https://github.com/FRRouting/frr/pull/6383"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-12831",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382481,
  "published_at": "2020-05-13T18:15:12.047+00:00"
}