{
  "modified": "2025-08-09T19:01:26Z",
  "published": "2007-04-25T16:19:00Z",
  "id": "CVE-2007-2243",
  "details": "OpenSSH 4.6 and earlier, when ChallengeResponseAuthentication is enabled, allows remote attackers to determine the existence of user accounts by attempting to authenticate via S/KEY, which displays a different response if the user account exists, a similar issue to CVE-2001-1483.",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security.netapp.com/advisory/ntap-20191107-0003/"
    },
    {
      "type": "WEB",
      "url": "http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053906.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053951.html"
    },
    {
      "type": "WEB",
      "url": "http://securityreason.com/securityalert/2631"
    },
    {
      "type": "WEB",
      "url": "http://www.osvdb.org/34600"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/23601"
    },
    {
      "type": "WEB",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/33794"
    }
  ]
}