It seams, a successful exploit against TLS 1.0 was implemented as you can read on http://www.theregister.co.uk/2011/09/19/beast_exploits_paypal_ssl/. Also see http://www.heise.de/newsticker/meldung/Tool-soll-SSL-Cookies-in-zehn-Minuten-knacken-1346257.html (German).
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