{"id":"CVE-2018-12242","aliases":["EUVD-2018-4220","GHSA-76r2-2w4r-76jq"],"status":"published","title":"The Symantec Messaging Gateway product prior to 10.6.6 may be susceptible to an authentication...","description":"The Symantec Messaging Gateway product prior to 10.6.6 may be susceptible to an authentication bypass exploit, which is a type of issue that can allow attackers to potentially circumvent security mechanisms currently in place and gain access to the system or network.","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":"2026-11-09","score":0.02951,"percentile":0.87267,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2018-09-19T15:00:00Z","modified":"2026-06-17T01:37:24Z","products":[{"vendor":"symantec","product":"messaging_gateway"},{"vendor":"symantec corporation","product":"symantec messaging gateway"}],"references":[{"url":"https://support.symantec.com/en_US/article.SYMSA1461.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/105329","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-12242"},{"url":"https://github.com/advisories/GHSA-76r2-2w4r-76jq"}],"sources":{"cve":[{"id":"CVE-2018-12242","description":"The Symantec Messaging Gateway product prior to 10.6.6 may be susceptible to an authentication bypass exploit, which is a type of issue that can allow attackers to potentially circumvent security mechanisms currently in place and gain access to the system or network.","status":"published","published":"2018-09-19T15:00:00Z","modified":"2024-09-16T18:55:16.447Z","updated_at":"2026-11-02T14:35:06.320867Z"}],"euvd":[{"id":"EUVD-2018-4220","description":"The Symantec Messaging Gateway product prior to 10.6.6 may be susceptible to an authentication bypass exploit, which is a type of issue that can allow attackers to potentially circumvent security mechanisms currently in place and gain access to the system or network.","status":"published","published":"2018-09-19T15:00:00Z","modified":"2024-09-16T18:55:16Z","updated_at":"2026-11-03T00:55:28.088118Z"}],"ghsa":[{"id":"GHSA-76r2-2w4r-76jq","title":"The Symantec Messaging Gateway product prior to 10.6.6 may be susceptible to an authentication...","description":"The Symantec Messaging Gateway product prior to 10.6.6 may be susceptible to an authentication bypass exploit, which is a type of issue that can allow attackers to potentially circumvent security mechanisms currently in place and gain access to the system or network.","status":"published","published":"2022-05-14T01:51:54Z","modified":"2023-02-02T05:04:40Z","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":"2026-11-02T14:51:55.393577Z"}],"nvd":[{"id":"CVE-2018-12242","description":"The Symantec Messaging Gateway product prior to 10.6.6 may be susceptible to an authentication bypass exploit, which is a type of issue that can allow attackers to potentially circumvent security mechanisms currently in place and gain access to the system or network.","status":"published","published":"2018-09-19T15:29:19.11Z","modified":"2026-06-17T01:37:24.783Z","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":"2026-11-02T14:04:40.661264Z"}]}}