Some URIs in IBM API Connect 2018.1 and 2018.4.1.3 disclose system specification information like the machine id, system uuid, filesystem paths, network interface names along with their mac addresses. An attacker can use this information in targeted attacks. IBM X-Force ID: 156542.

IBM API Connect's Developer Portal 2018.1 and 2018.4.1.3 is impacted by a privilege escalation vulnerability when integrated with an OpenID Connect (OIDC) user registry. IBM X-Force ID: 158544.

IBM API Connect 5.0.0.0 through 5.0.8.5 could display highly sensitive information to an attacker with physical access to the system. IBM X-Force ID: 151636.

IBM API Connect 2018.1 and 2018.4.1.2 apis can be leveraged by unauthenticated users to discover login ids of registered users. IBM X-Force ID: 156544.

IBM API Connect v2018.1 and 2018.4.1 is affected by an information disclosure vulnerability in the consumer API. Any registered user can obtain a list of all other users in all other orgs, including email id/names, etc. IBM X-Force ID: 155148.

If an application encounters a fatal protocol error and then calls SSL_shutdown() twice (once to send a close_notify, and once to receive one) then OpenSSL can respond differently to the calling application if a 0 byte record is received with invalid padding compared to if a 0 byte record is received with an invalid MAC. If the application then behaves differently based on that in a way that is detectable to the remote peer, then this amounts to a padding oracle that could be used to decrypt data. In order for this to be exploitable "non-stitched" ciphersuites must be in use. Stitched ciphersuites are optimised implementations of certain commonly used ciphersuites. Also the application must call SSL_shutdown() twice even if a protocol error has occurred (applications should not do this but some do anyway). Fixed in OpenSSL 1.0.2r (Affected 1.0.2-1.0.2q).

API Connect V2018.1 through 2018.4.1.1 is impacted by access token leak. Authorization tokens in some URLs can result in the tokens being written to log files. IBM X-Force ID: 155626.

IBM API Connect 5.0.0.0 through 5.0.8.4 is impacted by sensitive information disclosure via a REST API that could allow a user with administrative privileges to obtain highly sensitive information. IBM X-Force ID: 154031.

IBM API Connect 5.0.0.0 through 5.0.8.4 is affected by a vulnerability in the role-based access control in the management server that could allow an authenticated user to obtain highly sensitive information. IBM X-Force ID: 153175.

IBM API Connect 5.0.0.0 through 5.0.8.4 could allow a user authenticated as an administrator with limited rights to escalate their privileges. IBM X-Force ID: 151258.