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NetScreen Back Door Raises Internet Threat Level

ID: 3aeea236-ab64-506f-af50-7db627ae1abd

STIX ID: report--3aeea236-ab64-506f-af50-7db627ae1abd

Feed Name: Security Ledger

Threat Score
80/100

Date Published: 2015-12-21

Date Updated: 2026-04-26

Author: Paul Roberts

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A backdoor in Juniper's ScreenOS for NetScreen devices was disclosed, enabling remote unauthorized access via SSH/Telnet; Juniper issued emergency patches for affected versions, Rapid7 published the backdoor password, and the Internet Storm Center raised its threat level because many devices are exposed online and exploitation is trivial.

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