The netsnmp_udp_fmtaddr function (snmplib/snmpUDPDomain.c) in net-snmp 5.0.9 through 5.4.2.1, when using TCP wrappers for client authorization, does not properly parse hosts.allow rules, which allows remote attackers to bypass intended access restrictions and execute SNMP queries, related to "source/destination IP address confusion."
AV:N/AC:L/Au:N/C:P/I:N/A:N
This vulnerability has a 2.90% probability of being exploited in the next 30 days, ranking higher than 86% of all scored CVEs.