The SOAP interface in OTRS 2.1.x before 2.1.8 and 2.2.x before 2.2.6 allows remote attackers to "read and modify objects" via SOAP requests, related to "Missing security checks."
https://www.redhat.com/archives/fedora-package-announce/2008-April/msg00284.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/41577
http://www.securityfocus.com/bid/28647
http://secunia.com/advisories/29859
http://secunia.com/advisories/29622
http://secunia.com/advisories/29585
http://otrs.org/advisory/OSA-2008-01-en/
http://lists.opensuse.org/opensuse-security-announce/2008-04/msg00005.html