Is CVE-2015-7755 actively exploited?

Yes. CVE-2015-7755 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2015-7755 be exploited remotely?

The attack vector of CVE-2015-7755 has not been classified yet.

What is the CVSS score of CVE-2015-7755?

CVE-2015-7755 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2015-7755

HIGHCISA KEVIN THE WILD

CVE-2015-7755

Published: October 2, 2025

EPSS:85.63%probability of exploitation in 30 daysPercentile:99.4th

Official Description

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

NVD Source

CISA KEV Advisory

Juniper ScreenOS Improper Authentication Vulnerability

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

Added to KEV: 2025-10-02Federal patch deadline: 2025-10-23

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.

Risk Analysis

Juniper ScreenOS contains an improper authentication vulnerability that could allow unauthorized remote administrative access. The very high EPSS score of 0.85629 suggests a significant likelihood of exploitation, making this a critical security concern.

This vulnerability is actively exploited in the wild and is included in CISA's KEV catalog. The flaw allows for remote administrative access, making it highly dangerous.

Recommended Action

Organizations using Juniper ScreenOS should apply all available security patches and updates. Review and strengthen authentication mechanisms and access controls on affected devices.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2015-7755 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2015-7755 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.