{"id":"CVE-2016-0762","revision":null,"records":[{"revision":"061c98b337254ee79b4e5adbf337b1f5","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2016-0762","aliases":[],"title":"The Realm implementations in Apache Tomcat versions 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0 to 6.0.45 did not process the supplied password if the supplied user name did not exist. This made a ti…","description":"The Realm implementations in Apache Tomcat versions 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0 to 6.0.45 did not process the supplied password if the supplied user name did not exist. This made a timing attack possible to determine valid user names. Note that the default configuration includes the LockOutRealm which makes exploitation of this vulnerability harder.","state":0,"publishedAt":"2017-08-10T16:00:00+00:00","modifiedAt":"2026-10-08T21:13:49.851+00:00","affected":[{"ecosystem":"Vendor product","name":"Apache Tomcat","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Apache Tomcat\",\n                    \"vendor\": \"Apache Software Foundation\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"9.0.0.M1 to 9.0.0.M9\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"8.5.0 to 8.5.4\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"8.0.0.RC1 to 8.0.36\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"7.0.0 to 7.0.70\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"6.0.0 to 6.0.45\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["http://www.securitytracker.com/id/1037144","https://lists.apache.org/thread.html/1872f96bad43647832bdd84a408794cd06d9cbb557af63085ca10009%40%3Cannounce.tomcat.apache.org%3E","https://access.redhat.com/errata/RHSA-2017:2247","http://rhn.redhat.com/errata/RHSA-2017-0457.html","https://access.redhat.com/errata/RHSA-2017:0455","http://www.securityfocus.com/bid/93939","http://www.debian.org/security/2016/dsa-3720","https://access.redhat.com/errata/RHSA-2017:0456","https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E","https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E","https://lists.apache.org/thread.html/388a323769f1dff84c9ec905455aa73fbcb20338e3c7eb131457f708%40%3Cdev.tomcat.apache.org%3E","https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E","https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E","https://lists.apache.org/thread.html/845312a10aabbe2c499fca94003881d2c79fc993d85f34c1f5c77424%40%3Cdev.tomcat.apache.org%3E","https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E","https://lists.apache.org/thread.html/3d19773b4cf0377db62d1e9328bf9160bf1819f04f988315086931d7%40%3Cdev.tomcat.apache.org%3E","https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E","https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E","https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E","https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E","https://usn.ubuntu.com/4557-1/","https://www.oracle.com//security-alerts/cpujul2021.html","https://security.netapp.com/advisory/ntap-20180605-0001/","https://www.oracle.com/security-alerts/cpuoct2021.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2016-0762","license":"CVE Program Terms of Use","key":"cve-program:CVE-2016-0762","identifiers":["CVE-2016-0762"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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