id: cisco-smi-exposure
info:
name: Cisco Smart Install Endpoints Exposure
author: dwisiswant0
severity: medium
description: Cisco Smart Install endpoints were discovered. Exposure of SMI to untrusted networks could allow complete compromise of the switch.
reference:
- https://blog.talosintelligence.com/2017/02/cisco-coverage-for-smart-install-client.html
- https://blogs.cisco.com/security/cisco-psirt-mitigating-and-detecting-potential-abuse-of-cisco-smart-install-feature
- https://tools.cisco.com/security/center/content/CiscoSecurityResponse/cisco-sr-20170214-smi
- https://github.com/Cisco-Talos/smi_check/blob/master/smi_check.py#L52-L53
- https://github.com/Sab0tag3d/SIET
classification:
cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
cvss-score: 5.3
cwe-id: CWE-200
metadata:
max-request: 1
tags: network,cisco,smi,exposure,tcp
tcp:
- inputs:
- data: "000000010000000100000004000000080000000100000000"
type: hex
host:
- "{{Hostname}}"
port: 4786
matchers:
- type: word
encoding: hex
words:
- "000000040000000000000003000000080000000100000000"
# digest: 4b0a00483046022100d1d1a7e25db71b7e9c5e597fae76b736786ca4d0a3fcc96863f9e333c8a3a98e02210090d5658bbfcf144e13015bb1c591eadae8d38bf9b0a0b48fbadccb493023df05:922c64590222798bb761d5b6d8e72950
