CVE-2015-7754: Juniper ScreenOS

High severity, CVSS 8.1. EPSS: 3.9% chance of exploitation in the next 30 days.

Juniper ScreenOS before 6.3.0r21, when ssh-pka is configured and enabled, allows remote attackers to cause a denial of service (system crash) or execute arbitrary code via crafted SSH negotiation.

Affected products

• Juniper ScreenOS: up to and including 6.3.0

Published 2016-01-08. Last modified 2026-06-17.