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Successful exploitation of this vulnerability could cause loss of availability and a disruption in communications with other connected devices.\n\n\n\n\n\n\n\nRockwell Automation EtherNet\u002FIP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I\u002FO EtherNet\u002FIP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400","The device does not properly validate the data being sent to the buffer. An attacker can send a malformed CIP packet to Port 2222\u002FTCP, Port 2222\u002FUDP, Port 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This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","Certain languages allow direct addressing of memory locations and do not automatically ensure that these locations are valid for the memory buffer that is being referenced. This can cause read or write operations to be performed on memory locations that may be associated with other variables, data structures, or internal program data.","Stable","Class","Simple",1,[],{"title":142,"metaDescription":143,"keywords":144,"canonicalUrl":145,"structuredData":146},"What is CVE-2012-6436? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2012-6436, a high severity cyber security vulnerability from 2013. 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