Security advisory

{
  "id": "88451f3ec42f6312bf3678576835753c01090dd1880ed59348d2e6b595237ddb",
  "url": "https://osv.dev/vulnerability/CVE-2017-6821",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-6821",
    "summary": "Directory traversal vulnerability in Zimbra Collaboration Suite (aka ZCS) before 8.7.6 allows attackers to have unspecified impact via unknown vectors.",
    "evidence": "osv:CVE-2017-6821",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2017-6821",
      "aliases": [
        "CVE-2017-6821"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/zimbra/zm-build",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "ecfce091cf6203d60de6b38f70570792a3877c08"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "8.7.6"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-6821.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:34.683705706Z",
      "provider": "osv",
      "references": [
        "https://wiki.zimbra.com/wiki/Security_Center",
        "https://wiki.zimbra.com/wiki/Zimbra_Releases/8.7.6"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "synacor:zimbra_collaboration_suite",
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "8.7.5"
                  },
                  {
                    "last_affected": "8.7.5"
                  },
                  {
                    "last_affected": "8.7.5"
                  },
                  {
                    "last_affected": "8.7.5"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2017-6821",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 433575,
  "published_at": "2017-05-23T04:29:02.057+00:00"
}