Authentication bypass in IBM API Connect - CVE-2018-1778
Published: December 26, 2018
Vulnerability identifier: #VU16717
CSH Severity: Low
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-1778
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authenticated on the target system.
The vulnerability exists due to an error if the AccessToken Model is exposed over a REST API. A remote attacker can bypass authentication to create an AccessToken for any User provided they know the userID and hence get access to the other users data / access to their privileges (if the user happens to be an Admin for example).
Affected software
IBM API Connect
How to mitigate CVE-2018-1778
Update to version 5.0.8.5.
IBM API Connect - update to 5.0.8.5