RealVNC 4.1.1 has a tiny little flaw that allows anyone to connect to your machine without knowing the password. Oops.

http://www.intelliadmin.com/blog/200...alvnc-411.html

If anyone is running RealVNC to allow remote access, update to 4.1.2 now.

http://www.realvnc.com/

TightVNC and UltraVNC appear to be unaffected.