CVE-2015-7755 — Juniper ScreenOS Improper Authentication Vulnerability
CVE-2015-7755: Juniper ScreenOS Improper Authentication Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Juniper |
| Product | ScreenOS |
| Date added | 2025-10-02 |
| Due date | 2025-10-23 |
| Ransomware campaign use | Unknown |
Description
Juniper ScreenOS contains an improper authentication vulnerability that could allow unauthorized remote administrative access to the device.
Required action (CISA)
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
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2015-7755
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog