Cisco Type 5 password generation with OpenSSL

In light of the discovered weakness in the Type 4 password encryption mechanism, this is a way of generating Type 5 passwords using OpenSSL:

openssl passwd -salt `openssl rand -base64 3` -1 PLAINTEXT_PASSWORD

After which it can be copied to the target device:

username USER secret 5 RESULTING_HASH

Source: Cisco Security Response – Cisco IOS and Cisco IOS XE Type 4 Passwords Issue


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