{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:group-office:group_office:6.4.196:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "6.4.196"
              },
              {
                "last_affected": "6.4.196"
              }
            ],
            "source": "CPE_STRING"
          },
          "events": [
            {
              "introduced": "a4330b266505a1499337433921e936887640ce44"
            },
            {
              "last_affected": "a4330b266505a1499337433921e936887640ce44"
            }
          ],
          "repo": "https://github.com/intermesh/groupoffice",
          "type": "GIT"
        }
      ],
      "versions": [
        "6.4.196"
      ]
    }
  ],
  "database_specific": {},
  "details": "A Server-Side Request Forgery (SSRF) vulnerability in Group Office 6.4.196 allows a remote attacker to forge GET requests to arbitrary URLs via the url parameter to group/api/upload.php.",
  "id": "CVE-2021-28060",
  "modified": "2026-07-08T05:38:24.156047626Z",
  "published": "2021-04-14T17:15:14.083Z",
  "references": [
    {
      "type": "EVIDENCE",
      "url": "https://fatihhcelik.blogspot.com/2020/12/group-office-crm-ssrf.html"
    },
    {
      "type": "EVIDENCE",
      "url": "https://fatihhcelik.github.io/posts/Group-Office-CRM-SSRF/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}