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Checking for New SNMP Vulnerabilities

Posted by Lisa Patel /

Cisco Systems recently announced a patch for a vulnerability in Simple Network Management Protocol (SNMP) functions of some Cisco routers. “This vulnerability could allow an authenticated, remote attacker to cause high CPU usage on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to an incorrect initialized variable. An attacker could exploit this vulnerability by performing SNMP polling on MIBs and using only Interface Index (ifIndex) values. A successful exploit could allow the attacker to increase CPU usage to 99% on an affected device and cause a DoS condition.” 1

Whether or not you have Cisco routers, it is important to execute all the SNMP vulnerability tests in SilverCreek to verify that your SNMP agent is not vulnerable to attacks.

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