Juniper ScreenOS Improper Authentication Vulnerability
Juniper — ScreenOS
- Added to KEV catalog
- 2 October 2025
- Federal remediation due date
- 23 October 2025
- Weakness classification (CWE)
- CWE-287
CISA 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
More Juniper Vulnerabilities
Juniper Junos OS Improper Isolation or Compartmentalization Vulnerability
Juniper Junos OS EX Series PHP External Variable Modification Vulnerability
Juniper Junos OS EX Series and SRX Series PHP External Variable Modification Vulnerability
Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability
Juniper Junos OS EX Series Missing Authentication for Critical Function Vulnerability
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