An issue was discovered in JetBrains TeamCity 2018.2.4. It had no SSL certificate validation for some external https connections. This was fixed in TeamCity 2019.1.
CWE-295
CVE-2019-14910
A vulnerability was found in keycloak 7.x, when keycloak is configured with LDAP user federation and StartTLS is used instead of SSL/TLS from the LDAP server (ldaps), in this case user authentication succeeds even if invalid password has entered.
CVE-2019-14516
The mAadhaar application 1.2.7 for Android lacks SSL Certificate Validation, leading to man-in-the-middle attacks against requests for FAQs or Help.
CVE-2019-14334
An issue was discovered on D-Link 6600-AP, DWL-3600AP, and DWL-8610AP Ax 4.2.0.14 21/03/2019 devices. There is post-authenticated Certificate and RSA Private Key extraction through an insecure sslcert-get.cgi HTTP command.
CVE-2019-13050
Interaction between the sks-keyserver code through 1.2.0 of the SKS keyserver network, and GnuPG through 2.2.16, makes it risky to have a GnuPG keyserver configuration line referring to a host on the SKS keyserver network. Retrieving data from this network may cause a persistent denial of service, because of a Certificate Spamming Attack.
CVE-2019-12855
In words.protocols.jabber.xmlstream in Twisted through 19.2.1, XMPP support did not verify certificates when used with TLS, allowing an attacker to MITM connections.