{"id":"CVE-2015-6816","aliases":["DEBIAN-CVE-2015-6816","EUVD-2015-6753","GHSA-mgrr-7c88-34fm","MGASA-2015-0375","UBUNTU-CVE-2015-6816"],"status":"published","title":"ganglia-web before 3.7.1 allows remote attackers to bypass authentication.","description":"ganglia-web before 3.7.1 allows remote attackers to bypass authentication.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.03562,"percentile":0.89414,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2015-09-17T07:49:27Z","modified":"2026-10-17T17:00:03Z","fixes":[{"ecosystem":"Debian:12","package":"ganglia","fixed_in":["3.6.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"ganglia","fixed_in":["3.6.0-1"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"ganglia-web","fixed_in":["3.7.5+debian-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"ganglia-web","fixed_in":["3.7.5+debian-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"ganglia-web","fixed_in":["3.7.5+debian-1"],"sources":["osv"]},{"ecosystem":"Mageia:4","package":"ganglia-web","fixed_in":["3.5.10-3.1.mga4"],"sources":["osv"]},{"ecosystem":"Mageia:5","package":"ganglia-web","fixed_in":["3.6.2-4.2.mga5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"ganglia","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"ganglia","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.0-1"}]}],"versions":["3.1.0-1","3.1.1-1","3.1.1-2","3.1.1-3","3.1.2-1","3.1.2-2","3.1.2-2.1","3.1.2-3","3.1.2-3.1","3.1.7-1","3.1.7-1+squeeze1","3.1.7-2","3.1.7-2.1","3.3.5-1","3.3.5-2","3.3.8-1","3.3.8-1+nmu1"]},{"source":"osv","ecosystem":"Debian:12","package":"ganglia-web","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.5+debian-1"}]}],"versions":["3.5.2-1","3.5.2-2","3.5.8-1","3.5.8-2","3.5.8-3","3.5.8-3.1","3.5.8-4","3.6.1-1","3.6.1-2","3.6.1-3","3.6.1-3.1"]},{"source":"osv","ecosystem":"Debian:13","package":"ganglia-web","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.5+debian-1"}]}],"versions":["3.5.2-1","3.5.2-2","3.5.8-1","3.5.8-2","3.5.8-3","3.5.8-3.1","3.5.8-4","3.6.1-1","3.6.1-2","3.6.1-3","3.6.1-3.1"]},{"source":"osv","ecosystem":"Debian:14","package":"ganglia-web","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.5+debian-1"}]}],"versions":["3.5.2-1","3.5.2-2","3.5.8-1","3.5.8-2","3.5.8-3","3.5.8-3.1","3.5.8-4","3.6.1-1","3.6.1-2","3.6.1-3","3.6.1-3.1"]},{"source":"osv","ecosystem":"Mageia:4","package":"ganglia-web","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.10-3.1.mga4"}]}]},{"source":"osv","ecosystem":"Mageia:5","package":"ganglia-web","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.2-4.2.mga5"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"ganglia-web","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.1-1","3.6.1-1ubuntu1","3.6.1-1ubuntu1.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"ganglia-web","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.1-3"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"ganglia-web","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.1-3"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"ganglia","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.7.2-7ubuntu1"]}],"products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"ganglia","product":"ganglia-web"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1260562","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Issue Tracking","Third Party Advisory","VDB Entry","advisory","evidence","report"]},{"url":"https://github.com/ganglia/ganglia-web/issues/267","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","report"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169641.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","Third Party Advisory","advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170362.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","Third Party Advisory","advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169788.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","Third Party Advisory","advisory"]},{"url":"https://www.freshports.org/sysutils/ganglia-webfrontend/","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","advisory","fix"]},{"url":"http://www.openwall.com/lists/oss-security/2015/09/05/6","tags":["mailing-list","x_refsource_MLIST","x_transferred","Exploit","Mailing List","VDB Entry","advisory","article","evidence"]},{"url":"http://www.securityfocus.com/bid/92146","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-6816"},{"url":"https://www.freshports.org/sysutils/ganglia-webfrontend"},{"url":"https://github.com/advisories/GHSA-mgrr-7c88-34fm"},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-6816","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2015-0375.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=16715","tags":["report"]},{"url":"http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6816","tags":["advisory"]},{"url":"http://openwall.com/lists/oss-security/2015/09/05/6","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2015-6816","tags":["report"]},{"url":"http://www.openwall.com/lists/oss-security/2015/09/04/2","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-6816","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2015-6816","description":"ganglia-web before 3.7.1 allows remote attackers to bypass authentication.","status":"published","published":"2017-08-09T18:00:00Z","modified":"2024-08-06T07:29:25.323Z","updated_at":"2026-11-02T14:35:42.680858Z"}],"euvd":[{"id":"EUVD-2015-6753","description":"ganglia-web before 3.7.1 allows remote attackers to bypass authentication.","status":"published","published":"2017-08-09T18:00:00Z","modified":"2024-08-06T07:29:25Z","updated_at":"2026-11-03T02:21:54.875343Z"}],"ghsa":[{"id":"GHSA-mgrr-7c88-34fm","title":"ganglia-web before 3.7.1 allows remote attackers to bypass authentication.","description":"ganglia-web before 3.7.1 allows remote attackers to bypass authentication.","status":"published","published":"2022-05-17T01:59:08Z","modified":"2025-04-20T03:42:51Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:01:50.044707Z"}],"nvd":[{"id":"CVE-2015-6816","description":"ganglia-web before 3.7.1 allows remote attackers to bypass authentication.","status":"published","published":"2017-08-09T18:29:01.293Z","modified":"2026-06-17T00:31:28.063Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/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-287"],"updated_at":"2026-11-02T14:03:17.730372Z"}],"osv":[{"id":"CVE-2015-6816","description":"ganglia-web before 3.7.1 allows remote attackers to bypass authentication.","status":"published","published":"2017-08-09T18:29:01Z","modified":"2026-04-16T06:26:25.834242372Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:00.594921Z"},{"id":"DEBIAN-CVE-2015-6816","description":"ganglia-web before 3.7.1 allows remote attackers to bypass authentication.","status":"published","published":"2017-08-09T18:29:01.293Z","modified":"2026-10-17T17:00:03.780047431Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:27.04239Z"},{"id":"UBUNTU-CVE-2015-6816","description":"ganglia-web before 3.7.1 allows remote attackers to bypass authentication.","status":"published","published":"2017-08-09T18:29:00Z","modified":"2026-10-17T12:52:53.980161742Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:10.737723Z"},{"id":"MGASA-2015-0375","title":"Updated ganglia-web packages fix CVE-2015-6816","description":"An issue with the use of unserialize() in ganglia-web allows\nauthentication  to be bypassed (CVE-2015-6816).\n","status":"published","published":"2015-09-17T07:49:27Z","modified":"2026-04-16T06:24:18.398421757Z","updated_at":"2026-11-02T15:49:39.792687Z"}]}}