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Over 840,000 Cisco Devices Affected by NSA-Linked Flaw

An IOS software vulnerability identified recently by Cisco while analyzing the firewall exploits leaked by the group calling itself Shadow Brokers has been found to affect hundreds of thousands of devices located around the world.

The flaw, tracked as CVE-2016-6415, exists in the Internet Key Exchange version 1 (IKEv1) packet processing code of Cisco’s IOS, IOS XE and IOS XR software, and it can be exploited by a remote, unauthenticated attacker to access memory content that could contain sensitive information.

In order to determine how many devices are affected by this vulnerability, The Shadowserver Foundation has conducted an Internet scan for the Internet Security Association and Key Management Protocol (ISAKMP), which is part of IKE.

“We are querying all computers with routable IPv4 addresses that are not firewalled from the internet with a specifically crafted 64 byte ISAKMP packet and capturing the response,” the organization explained.

As of the last scan, conducted...(continued)

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