user/index.php in TCPDB 3.8 does not require administrative authentication, which allows remote attackers to add admin accounts via unspecified vectors. NOTE: some of these details are obtained from third party information.
https://www.exploit-db.com/exploits/8626
https://exchange.xforce.ibmcloud.com/vulnerabilities/50371
http://www.securityfocus.com/bid/34866