{"id":"CVE-2018-1778","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-1778","generatedAt":"2026-10-29T00:35:01.857Z","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 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…","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’s data / access to their privileges (if the user happens to be an Admin for example). IBM X-Force ID: 148801.","published":"2018-12-20T14:29:00.000Z","lastModified":"2026-06-17T01:51:45.000Z","status":"Modified","sourceIdentifier":"psirt@us.ibm.com","cvss":{"version":"3.0","score":8.1,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-287"],"affected":["ibm/api connect"],"epss":{"score":0.03448,"percentile":0.8894,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.ibm.com/support/docview.wss?uid=ibm10733883","tags":["Patch","Vendor Advisory"],"source":"psirt@us.ibm.com"},{"url":"http://www.securityfocus.com/bid/106313","tags":["Third Party Advisory","VDB Entry"],"source":"psirt@us.ibm.com"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/148801","tags":["VDB Entry","Vendor Advisory"],"source":"psirt@us.ibm.com"},{"url":"http://www.ibm.com/support/docview.wss?uid=ibm10733883","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/106313","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/148801","tags":["VDB Entry","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-1778","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}