{"id":"CVE-2016-2785","aliases":["EUVD-2022-4807","GHSA-pqj5-7r86-64fv"],"status":"published","title":"Puppet Improper Access Control","description":"Puppet Server before 2.3.2 and Ruby puppetmaster in Puppet 4.x before 4.4.2 and in Puppet Agent before 1.4.2 might allow remote attackers to bypass intended auth.conf access restrictions by leveraging incorrect URL decoding.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02889,"percentile":0.86983,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-284"],"published":"2016-06-10T15:00:00Z","modified":"2026-10-24T10:46:01Z","fixes":[{"ecosystem":"RubyGems","package":"puppet","fixed_in":["4.4.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"puppet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.4.2"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"puppet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.4.2"}]}],"versions":["4.0.0","4.1.0","4.2.0","4.2.1","4.2.2","4.2.3","4.3.0","4.3.1","4.3.2","4.4.0","4.4.1"]}],"products":[{"vendor":"puppet","product":"puppet"},{"vendor":"puppet","product":"puppet_agent"},{"vendor":"puppet","product":"puppet_server"}],"references":[{"url":"https://security.gentoo.org/glsa/201606-02","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/puppetlabs/puppet/pull/4921/commits/8d2ce797db265720f0a20d1d46ee2757b4e4f6b2","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://puppet.com/security/cve/cve-2016-2785","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-2785","tags":["advisory"]},{"url":"https://github.com/puppetlabs/puppet/commit/6592a8166572e5f1b7d058474059b8519ec81387","tags":["web"]},{"url":"https://github.com/puppetlabs/puppet/commits/4.4.2","tags":["web"]},{"url":"https://github.com/advisories/GHSA-pqj5-7r86-64fv"},{"url":"https://github.com/puppetlabs/puppet","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2016-2785","description":"Puppet Server before 2.3.2 and Ruby puppetmaster in Puppet 4.x before 4.4.2 and in Puppet Agent before 1.4.2 might allow remote attackers to bypass intended auth.conf access restrictions by leveraging incorrect URL decoding.","status":"published","published":"2016-06-10T15:00:00Z","modified":"2024-08-05T23:32:21.089Z","updated_at":"2026-11-02T14:33:33.07583Z"}],"euvd":[{"id":"EUVD-2022-4807","description":"Puppet Server before 2.3.2 and Ruby puppetmaster in Puppet 4.x before 4.4.2 and in Puppet Agent before 1.4.2 might allow remote attackers to bypass intended auth.conf access restrictions by leveraging incorrect URL decoding.","status":"published","published":"2016-06-10T15:00:00Z","modified":"2024-08-05T23:32:21Z","updated_at":"2026-11-03T02:22:52.199729Z"}],"ghsa":[{"id":"GHSA-pqj5-7r86-64fv","title":"Puppet Improper Access Control","description":"Puppet Server before 2.3.2 and Ruby puppetmaster in Puppet 4.x before 4.4.2 and in Puppet Agent before 1.4.2 might allow remote attackers to bypass intended auth.conf access restrictions by leveraging incorrect URL decoding.","status":"published","published":"2022-05-13T01:06:16Z","modified":"2023-11-22T21:39:47Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:37:22.840002Z"}],"nvd":[{"id":"CVE-2016-2785","description":"Puppet Server before 2.3.2 and Ruby puppetmaster in Puppet 4.x before 4.4.2 and in Puppet Agent before 1.4.2 might allow remote attackers to bypass intended auth.conf access restrictions by leveraging incorrect URL decoding.","status":"published","published":"2016-06-10T15:59:00.14Z","modified":"2026-06-17T00:44:23.763Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:03:26.642445Z"}],"osv":[{"id":"CVE-2016-2785","description":"Puppet 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decoding.","status":"published","published":"2022-05-13T01:06:16Z","modified":"2024-02-16T08:03:18.529605Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:46:53.700556Z"}]}}