{"id":"CVE-2018-4993","aliases":["EUVD-2018-16778","GHSA-4rxx-6c3r-g2p4"],"status":"published","title":"Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and...","description":"Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier have an NTLM SSO hash theft vulnerability. Successful exploitation could lead to information disclosure.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.8672,"percentile":0.99743,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2018-07-09T19:00:00Z","modified":"2026-06-17T01:59:25Z","exploits":[{"source":"metasploit","id":"auxiliary/fileformat/badpdf","title":"BADPDF Malicious PDF Creator","type":"auxiliary","platform":"Windows","verified":true,"url":"https://www.rapid7.com/db/modules/auxiliary/fileformat/badpdf"}],"products":[{"vendor":"adobe","product":"acrobat_dc"},{"vendor":"adobe","product":"acrobat_reader_dc"}],"references":[{"url":"https://helpx.adobe.com/security/products/acrobat/apsb18-09.html","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1040920","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/104177","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-4993"},{"url":"https://github.com/advisories/GHSA-4rxx-6c3r-g2p4"}],"sources":{"cve":[{"id":"CVE-2018-4993","description":"Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier have an NTLM SSO hash theft vulnerability. Successful exploitation could lead to information disclosure.","status":"published","published":"2018-07-09T19:00:00Z","modified":"2024-08-05T05:18:27.105Z","updated_at":"2026-11-02T14:35:08.341767Z"}],"euvd":[{"id":"EUVD-2018-16778","description":"Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier have an NTLM SSO hash theft vulnerability. Successful exploitation could lead to information disclosure.","status":"published","published":"2018-07-09T19:00:00Z","modified":"2024-08-05T05:18:27Z","updated_at":"2026-11-03T02:40:12.166986Z"}],"ghsa":[{"id":"GHSA-4rxx-6c3r-g2p4","title":"Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and...","description":"Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier have an NTLM SSO hash theft vulnerability. Successful exploitation could lead to information disclosure.","status":"published","published":"2022-05-14T00:53:46Z","modified":"2023-02-02T05:02:32Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:51:27.71498Z"}],"nvd":[{"id":"CVE-2018-4993","description":"Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier have an NTLM SSO hash theft vulnerability. Successful exploitation could lead to information disclosure.","status":"published","published":"2018-07-09T19:29:03.373Z","modified":"2026-06-17T01:59:25.45Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:04:32.929986Z"}]}}
