Security advisory

{
  "id": "a61b8726cb2fdaf997e7436ab1b1281c5f2f1337817a8118ca71c426bfb615b1",
  "url": "https://osv.dev/vulnerability/CVE-2020-15879",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-15879",
    "summary": "Bitwarden Server 1.35.1 allows SSRF because it does not consider certain IPv6 addresses (ones beginning with fc, fd, fe, or ff, and the :: address) and certain IPv4 addresses (0.0.0.0/8, 127.0.0.0/8, and 169.254.0.0/16).",
    "evidence": "osv:CVE-2020-15879",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-15879",
      "aliases": [
        "CVE-2020-15879"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/bitwarden/server",
              "type": "GIT",
              "events": [
                {
                  "introduced": "a64f4dd413377f002c074761d451f4ef61153ea4"
                },
                {
                  "last_affected": "a64f4dd413377f002c074761d451f4ef61153ea4"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:bitwarden:server:1.35.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.35.1"
                      },
                      {
                        "last_affected": "1.35.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.35.1",
            "v1.35.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15879.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:57.652956189Z",
      "provider": "osv",
      "references": [
        "https://github.com/bitwarden/server/pull/827"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-15879",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383166,
  "published_at": "2020-07-21T17:15:12.263+00:00"
}