The vendor has acknowledged a vulnerability in BIG-IP and 3-DNS, which can be exploited by malicious people to bypass certain security restrictions.
The vulnerability has been reported in the versions 4.2 through 4.5.10 and 4.6 through 4.6.2.
OPERATING SYSTEM:
BIG-IP 4.x
3-DNS Controller 4.x
ORIGINAL ADVISORY:
http://tech.f5.com/home/bigip/solutions/advisories/sol3456.html
VERIFY ADVISORY:
http://secunia.com/advisories/15098/
Secunia Security Advisories
http://community.securityteam.us/article.php/20050428110607295