{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "low"
      },
      "package": {
        "ecosystem": "Debian:11",
        "name": "freeradius"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.12+dfsg-1.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "low"
      },
      "package": {
        "ecosystem": "Debian:12",
        "name": "freeradius"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.12+dfsg-1.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "low"
      },
      "package": {
        "ecosystem": "Debian:13",
        "name": "freeradius"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.12+dfsg-1.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "low"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "freeradius"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.12+dfsg-1.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "modules/rlm_unix/rlm_unix.c in FreeRADIUS before 2.2.0, when unix mode is enabled for user authentication, does not properly check the password expiration in /etc/shadow, which allows remote authenticated users to authenticate using an expired password.",
  "id": "DEBIAN-CVE-2011-4966",
  "modified": "2026-04-28T19:51:18.168110112Z",
  "published": "2013-03-12T23:55:01.337Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2011-4966"
    }
  ],
  "upstream": [
    "CVE-2011-4966"
  ]
}