CVE-2015-7755

Product

Juniper / ScreenOS

Vulnerability

Juniper ScreenOS Improper Authentication Vulnerability

Added to KEV

Oct 2, 2025

Remediate by

Oct 23, 2025

Known ransomware use

No

Summary description

Juniper ScreenOS contains an improper authentication vulnerability that could allow unauthorized remote administrative access to the device.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

https://supportportal.juniper.net/s/article/2015-12-Out-of-Cycle-Security-Bulletin-ScreenOS-Multiple-Security-issues-with-ScreenOS-CVE-2015-7755-CVE-2015-7756 ; https://nvd.nist.gov/vuln/detail/CVE-2015-7755