{"id":"CVE-2016-0818","aliases":["EUVD-2016-0829","GHSA-gfmm-3f49-2hrh","UBUNTU-CVE-2016-0818"],"status":"published","title":"The caching functionality in the TrustManagerImpl class in TrustManagerImpl.java in Conscrypt in...","description":"The caching functionality in the TrustManagerImpl class in TrustManagerImpl.java in Conscrypt in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49H, and 6.x before 2016-03-01 mishandles the distinction between an intermediate CA and a trusted root CA, which allows man-in-the-middle attackers to spoof servers by leveraging access to an intermediate CA to issue a certificate, aka internal bug 26232830.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00268,"percentile":0.19111,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-254","CWE-345"],"published":"2016-03-12T21:00:00Z","modified":"2026-06-17T00:38:17Z","fixes":[{"ecosystem":"Ubuntu:16.04:LTS","package":"android","fixed_in":["20160307-0742-0ubuntu3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"android","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20160307-0742-0ubuntu3"}]}],"versions":["20150818-1500-0ubuntu2","20150818-1500-0ubuntu3"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://android.googlesource.com/platform/external/conscrypt/+/4c9f9c2201116acf790fca25af43995d29980ee0","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/bid/84245","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://source.android.com/security/bulletin/2016-03-01.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","report"]},{"url":"https://android.googlesource.com/platform/external/conscrypt/+/c4ab1b959280413fb11bf4fd7f6b4c2ba38bd779","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-0818"},{"url":"https://github.com/advisories/GHSA-gfmm-3f49-2hrh"},{"url":"https://ubuntu.com/security/CVE-2016-0818","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-0818","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-0818","description":"The caching functionality in the TrustManagerImpl class in TrustManagerImpl.java in Conscrypt in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49H, and 6.x before 2016-03-01 mishandles the distinction between an intermediate CA and a trusted root CA, which allows man-in-the-middle attackers to spoof servers by leveraging access to an intermediate CA to issue a certificate, aka internal bug 26232830.","status":"published","published":"2016-03-12T21:00:00Z","modified":"2024-08-05T22:30:04.993Z","updated_at":"2026-11-02T14:33:37.12286Z"}],"euvd":[{"id":"EUVD-2016-0829","description":"The caching functionality in the TrustManagerImpl class in TrustManagerImpl.java in Conscrypt in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49H, and 6.x before 2016-03-01 mishandles the distinction between an intermediate CA and a trusted root CA, which allows man-in-the-middle attackers to spoof servers by leveraging access to an intermediate CA to issue a certificate, aka internal bug 26232830.","status":"published","published":"2016-03-12T21:00:00Z","modified":"2024-08-05T22:30:04Z","updated_at":"2026-11-03T02:23:00.426765Z"}],"ghsa":[{"id":"GHSA-gfmm-3f49-2hrh","title":"The caching functionality in the TrustManagerImpl class in TrustManagerImpl.java in Conscrypt in...","description":"The caching functionality in the TrustManagerImpl class in TrustManagerImpl.java in Conscrypt in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49H, and 6.x before 2016-03-01 mishandles the distinction between an intermediate CA and a trusted root CA, which allows man-in-the-middle attackers to spoof servers by leveraging access to an intermediate CA to issue a certificate, aka internal bug 26232830.","status":"published","published":"2022-05-17T03:43:15Z","modified":"2023-01-27T05:08:28Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T14:43:18.355701Z"}],"nvd":[{"id":"CVE-2016-0818","description":"The caching functionality in the TrustManagerImpl class in TrustManagerImpl.java in Conscrypt in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49H, and 6.x before 2016-03-01 mishandles the distinction between an intermediate CA and a trusted root CA, which allows man-in-the-middle attackers to spoof servers by leveraging access to an intermediate CA to issue a certificate, aka internal bug 26232830.","status":"published","published":"2016-03-12T21:59:02.807Z","modified":"2026-06-17T00:38:17.59Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-254","CWE-345"],"updated_at":"2026-11-02T14:03:22.479119Z"}],"osv":[{"id":"UBUNTU-CVE-2016-0818","description":"The caching functionality in the TrustManagerImpl class in TrustManagerImpl.java in Conscrypt in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49H, and 6.x before 2016-03-01 mishandles the distinction between an intermediate CA and a trusted root CA, which allows man-in-the-middle attackers to spoof servers by leveraging access to an intermediate CA to issue a certificate, aka internal bug 26232830.","status":"published","published":"2016-03-12T21:59:00Z","modified":"2025-09-08T16:43:35Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:11.100633Z"}]}}