CVE-2015-7755
Juniper ScreenOS Improper Authentication Vulnerability
n/a
CVSS
61.4%
EPSS (exploit prob.)
99.1%
EPSS percentile
Yes
Actively exploited
No
Ransomware use
2025-10-02
Added
Summary
Juniper ScreenOS contains an improper authentication vulnerability that could allow unauthorized remote administrative access to the device.
Affected software
Vendor: Juniper · Product: ScreenOS
Weakness types (CWE):
CWE-287
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in Juniper
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2023-36846 | Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnera | 94.2% | Yes |
| CVE-2023-36845 | Juniper Junos OS EX Series and SRX Series PHP External Variable Modification Vul | 94.2% | Yes |
| CVE-2023-36844 | Juniper Junos OS EX Series PHP External Variable Modification Vulnerability | 91.4% | Yes |
| CVE-2023-36847 | Juniper Junos OS EX Series Missing Authentication for Critical Function Vulnerab | 84.7% | Yes |
| CVE-2020-1631 | Juniper Junos OS Path Traversal Vulnerability | 4.7% | Yes |
| CVE-2025-21590 | Juniper Junos OS Improper Isolation or Compartmentalization Vulnerability | 1.7% | Yes |
| CVE-2023-36851 | Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnera | 1.1% | Yes |
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