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Ask the Expert- SD-WAN

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SSH2 Weak Key Exchange Algorithm

Hi Folks,

Our info sec team advised that some of our cisco devices have SSH vulnerabilites. The vulnerability is "SSH Weak Key Exchange Algorithm". But I'm sure SSH is configured with 2048 key vaule on those devices and "IP SSH V2" also enabled there.

Below are the devices and IOS details.. Anyidea how to prevent this vulnerabilites?.

WS-C2960-48PST-L >>>> c2960-lanbasek9-mz.122-50.SE5.bin

WS-C3560G-48PS >>>>> c3560-ipservicesk9-mz.122-55.SE.bin

WS-C2960S-24TS-L >>>> c2960s-universalk9-mz.122-55.SE2.bin

WS-C6506-E >>>>> s72033-advipservicesk9_wan-mz.122-33.SXI2a.bin

Regards,

Limat

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