{"id":"CVE-2018-1778","aliases":["EUVD-2018-12357","GHSA-gpvh-xcx4-jwmg"],"status":"published","title":"IBM LoopBack (IBM API Connect 2018.1, 2018.4.1, 5.0.8.0, and 5.0.8.4) could allow an attacker to...","description":"IBM LoopBack (IBM API Connect 2018.1, 2018.4.1, 5.0.8.0, and 5.0.8.4) could allow an attacker to bypass authentication if the AccessToken Model is exposed over a REST API, it is then possible for anyone to create an AccessToken for any User provided they know the userId and can hence get access to the other user\u0026#195;\u0026#162;\u0026#194;\u0026#128;\u0026#194;\u0026#153;s data / access to their privileges (if the user happens to be an Admin for example). IBM X-Force ID: 148801.","severity":{"version":"3.0","score":7.7,"vector":"CVSS:3.0/A:L/AC:H/AV:N/C:H/I:H/PR:N/S:U/UI:N/E:U/RC:C/RL:O","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.03448,"percentile":0.89089,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2018-12-20T14:00:00Z","modified":"2026-06-17T01:51:45Z","products":[{"vendor":"ibm","product":"api connect"},{"vendor":"ibm","product":"api_connect"}],"references":[{"url":"http://www.ibm.com/support/docview.wss?uid=ibm10733883","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/148801","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/106313","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-1778"},{"url":"https://github.com/advisories/GHSA-gpvh-xcx4-jwmg"}],"sources":{"cve":[{"id":"CVE-2018-1778","description":"IBM LoopBack (IBM API Connect 2018.1, 2018.4.1, 5.0.8.0, and 5.0.8.4) could allow an attacker to bypass authentication if the AccessToken Model is exposed over a REST API, it is then possible for anyone to create an AccessToken for any User provided they know the userId and can hence get access to the other user\u0026#195;\u0026#162;\u0026#194;\u0026#128;\u0026#194;\u0026#153;s data / access to their privileges (if the user happens to be an Admin for example). IBM X-Force ID: 148801.","status":"published","published":"2018-12-20T14:00:00Z","modified":"2024-09-17T03:23:10.808Z","cvss":[{"version":"3.0","score":7.7,"vector":"CVSS:3.0/A:L/AC:H/AV:N/C:H/I:H/PR:N/S:U/UI:N/E:U/RC:C/RL:O","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:09.139955Z"}],"euvd":[{"id":"EUVD-2018-12357","description":"IBM LoopBack (IBM API Connect 2018.1, 2018.4.1, 5.0.8.0, and 5.0.8.4) could allow an attacker to bypass authentication if the AccessToken Model is exposed over a REST API, it is then possible for anyone to create an AccessToken for any User provided they know the userId and can hence get access to the other user\u0026#195;\u0026#162;\u0026#194;\u0026#128;\u0026#194;\u0026#153;s data / access to their privileges (if the user happens to be an Admin for example). IBM X-Force ID: 148801.","status":"published","published":"2018-12-20T14:00:00Z","modified":"2024-09-17T03:23:10Z","cvss":[{"version":"3.0","score":7.7,"vector":"CVSS:3.0/A:L/AC:H/AV:N/C:H/I:H/PR:N/S:U/UI:N/E:U/RC:C/RL:O","level":"high"}],"updated_at":"2026-11-03T00:28:32.08327Z"}],"ghsa":[{"id":"GHSA-gpvh-xcx4-jwmg","title":"IBM LoopBack (IBM API Connect 2018.1, 2018.4.1, 5.0.8.0, and 5.0.8.4) could allow an attacker to...","description":"IBM LoopBack (IBM API Connect 2018.1, 2018.4.1, 5.0.8.0, and 5.0.8.4) could allow an attacker to bypass authentication if the AccessToken Model is exposed over a REST API, it is then possible for anyone to create an AccessToken for any User provided they know the userId and can hence get access to the other user\u0026#195;\u0026#162;\u0026#194;\u0026#128;\u0026#194;\u0026#153;s data / access to their privileges (if the user happens to be an Admin for example). IBM X-Force ID: 148801.","status":"published","published":"2022-05-13T01:32:43Z","modified":"2023-02-01T05:08:30Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:50:46.771353Z"}],"nvd":[{"id":"CVE-2018-1778","description":"IBM LoopBack (IBM API Connect 2018.1, 2018.4.1, 5.0.8.0, and 5.0.8.4) could allow an attacker to bypass authentication if the AccessToken Model is exposed over a REST API, it is then possible for anyone to create an AccessToken for any User provided they know the userId and can hence get access to the other user\u0026#195;\u0026#162;\u0026#194;\u0026#128;\u0026#194;\u0026#153;s data / access to their privileges (if the user happens to be an Admin for example). IBM X-Force ID: 148801.","status":"published","published":"2018-12-20T14:29:00.447Z","modified":"2026-06-17T01:51:45.39Z","cvss":[{"version":"3.0","score":7.7,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"high","assessor":"secondary"},{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:04:50.99633Z"}]}}