{"id":"CVE-2016-3378","aliases":["EUVD-2016-4408","GHSA-55p2-r3rv-vvr9"],"status":"published","title":"Open redirect vulnerability in Microsoft Exchange Server 2013 SP1, 2013 Cumulative Update 12,...","description":"Open redirect vulnerability in Microsoft Exchange Server 2013 SP1, 2013 Cumulative Update 12, 2013 Cumulative Update 13, 2016 Cumulative Update 1, and 2016 Cumulative Update 2 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a crafted URL, aka \"Microsoft Exchange Open Redirect Vulnerability.\"","severity":{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.15276,"percentile":0.96788,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2016-09-14T10:00:00Z","modified":"2026-06-17T00:45:35Z","products":[{"vendor":"microsoft","product":"exchange_server"}],"references":[{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-108","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://www.securitytracker.com/id/1036778","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/92833","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-3378"},{"url":"https://github.com/advisories/GHSA-55p2-r3rv-vvr9"}],"sources":{"cve":[{"id":"CVE-2016-3378","description":"Open redirect vulnerability in Microsoft Exchange Server 2013 SP1, 2013 Cumulative Update 12, 2013 Cumulative Update 13, 2016 Cumulative Update 1, and 2016 Cumulative Update 2 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a crafted URL, aka \"Microsoft Exchange Open Redirect Vulnerability.\"","status":"published","published":"2016-09-14T10:00:00Z","modified":"2024-08-05T23:56:13.41Z","updated_at":"2026-11-02T14:33:34.094161Z"}],"euvd":[{"id":"EUVD-2016-4408","description":"Open redirect vulnerability in Microsoft Exchange Server 2013 SP1, 2013 Cumulative Update 12, 2013 Cumulative Update 13, 2016 Cumulative Update 1, and 2016 Cumulative Update 2 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a crafted URL, aka \"Microsoft Exchange Open Redirect Vulnerability.\"","status":"published","published":"2016-09-14T10:00:00Z","modified":"2024-08-05T23:56:13Z","updated_at":"2026-11-03T02:22:50.077805Z"}],"ghsa":[{"id":"GHSA-55p2-r3rv-vvr9","title":"Open redirect vulnerability in Microsoft Exchange Server 2013 SP1, 2013 Cumulative Update 12,...","description":"Open redirect vulnerability in Microsoft Exchange Server 2013 SP1, 2013 Cumulative Update 12, 2013 Cumulative Update 13, 2016 Cumulative Update 1, and 2016 Cumulative Update 2 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a crafted URL, aka \"Microsoft Exchange Open Redirect Vulnerability.\"","status":"published","published":"2022-05-14T02:23:13Z","modified":"2023-02-02T05:05:41Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:52:09.721765Z"}],"nvd":[{"id":"CVE-2016-3378","description":"Open redirect vulnerability in Microsoft Exchange Server 2013 SP1, 2013 Cumulative Update 12, 2013 Cumulative Update 13, 2016 Cumulative Update 1, and 2016 Cumulative Update 2 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a crafted URL, aka \"Microsoft Exchange Open Redirect Vulnerability.\"","status":"published","published":"2016-09-14T10:59:52.86Z","modified":"2026-06-17T00:45:35.043Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:29.893676Z"}]}}