Disclosure Timeline:
29 May 2012: Vulnerability reported to CERT
30 May 2012: Response received from CERT with disclosure date set to 20 Jul 2012
23 Jul 2012: Update from CERT: No response other than auto-reply from vendor
08 Aug 2012: Public Disclosure
22 Aug 2012: Update from CERT: vulnerability patched
http://www.kb.cert.org/vuls/id/582879
http://www.otrs.com/en/open-source/community-news/security-advisories/security-advisory-2012-01/