The NFS server in Sun Solaris 10, and OpenSolaris before snv_111, does not properly implement the AUTH_NONE (aka sec=none) security mode in combination with other security modes, which allows remote attackers to bypass intended access restrictions and read or modify files, as demonstrated by a combination of the AUTH_NONE and AUTH_SYS security modes.
osvdb.org/52559
secunia.com/advisories/34213
secunia.com/advisories/34429
securitytracker.com/id?1021833
sunsolve.sun.com/search/document.do?assetkey=1-21-139462-02-1
sunsolve.sun.com/search/document.do?assetkey=1-66-253588-1
support.avaya.com/elmodocs2/security/ASA-2009-093.htm
www.securityfocus.com/bid/34063
www.vupen.com/english/advisories/2009/0658
www.vupen.com/english/advisories/2009/0798
exchange.xforce.ibmcloud.com/vulnerabilities/49170