{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.5.0-NA"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "bdda41046378a855e289b5f1602d5c923a3f914a"
            },
            {
              "fixed": "35a7350b7444bcaf53ee0bb11b9d8e3ae4b717a1"
            }
          ],
          "repo": "https://github.com/argoproj/argo-cd",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Fixed in v1.5.1, Argo version v1.5.0 was vulnerable to a user-enumeration vulnerability which allowed attackers to determine the usernames of valid (non-SSO) accounts because /api/v1/session returned 401 for an existing username and 404 otherwise.",
  "id": "CVE-2020-11576",
  "modified": "2026-03-13T21:55:52.485368938Z",
  "published": "2020-04-08T18:15:15.323Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.soluble.ai/blog/argo-cves-2020"
    },
    {
      "type": "FIX",
      "url": "https://github.com/argoproj/argo-cd/commit/35a7350b7444bcaf53ee0bb11b9d8e3ae4b717a1"
    },
    {
      "type": "FIX",
      "url": "https://github.com/argoproj/argo-cd/pull/3215"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}