IBM Cognos Controller 10.2.0 10.2.1 10.3.0 10.3.1 and 10.4.0 could allow a remote attacker to obtain sensitive information caused by a flaw in the HTTP OPTIONS method aka Optionsbleed. By sending an OPTIONS HTTP request a remote attacker could exploit this vulnerability to read secret data from process memory and obtain sensitive information. IBM X-Force ID: 158878.