Unknown vulnerability in redhat-config-nfs before 1.0.13, when shares are exported to multiple hosts, can produce incorrect permissions and prevent the all_squash option from being applied.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10696
https://exchange.xforce.ibmcloud.com/vulnerabilities/17478
http://www.securityfocus.com/bid/11240
http://www.securityfocus.com/archive/1/419762/100/0/threaded