Horizon Alert
Summary of the vulnerability and why it matters
Jenkins versions before 1.638 and LTS versions before 1.625.2 have a vulnerability that could allow unauthorized access to sensitive information. The "Fingerprints" pages within Jenkins may expose job and build names to remote attackers who make direct requests. This could lead to the disclosure of internal project structures or build details.
- Vulnerable Jenkins pages
- Sensitive job and build information exposed
- Potential disclosure of internal project details
Attack Path
How an attacker could exploit the issue
An unauthenticated attacker can access sensitive information about jobs and builds. This occurs when an attacker directly requests specific pages within the Jenkins application. The attacker can then obtain sensitive data that should otherwise be protected.
- External exposure of the application.
- Direct request to specific pages.
- Sensitive job and build information disclosed.
Live Threat
Current exploitation, exposure, and threat context
This vulnerability could allow remote attackers to access sensitive information about jobs and builds within the affected organization. The difficulty for an attacker to exploit this is low, and the potential damage could lead to business risk. Organizations should treat this as urgent.
- Attackers need no special skill.
- No access or conditions needed.
- Business risk is high; treat as urgent.
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
This vulnerability may allow remote attackers to access sensitive information about jobs and builds. Organizations should investigate their environments for exposed systems. The potential for unauthorized information disclosure presents a business risk that warrants attention.
- Identify exposed systems.
- Reduce or isolate access.
- Apply vendor fixes and verify.
- Monitor for related activity.
