Horizon Alert
Summary of the vulnerability and why it matters
Confluence Server and Data Center contain a vulnerability that allows an unauthenticated attacker to execute arbitrary code. This flaw stems from an injection issue within the application's handling of Object-Graph Navigation Language (OGNL) expressions. The potential impact includes unauthorized code execution on the affected instances, compromising system integrity and data.
- Vulnerable: Confluence Server and Data Center
- Flaw: OGNL injection
- Impact: Arbitrary code execution
Attack Path
How an attacker could exploit the issue
This vulnerability allows an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The attack exploits an OGNL injection flaw within the application. This could lead to unauthorized access and modification of data, impacting the confidentiality, integrity, and availability of business systems.
- Exposure condition: Confluence Server or Data Center externally facing.
- Attacker starting point: Unauthenticated network access.
- Trigger and result: OGNL injection leads to code execution.
Live Threat
Current exploitation, exposure, and threat context
This vulnerability in Confluence Server and Data Center could allow an attacker to run unauthorized code on the affected systems. The exploitation of this vulnerability is considered to be highly likely and carries significant risk. Organizations should treat this as a high-priority issue requiring immediate attention to mitigate potential damage.
- Attacker skill level: Low
- Required access or conditions: None required
- Business risk or urgency: High; requires immediate action
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
The organization should address the critical remote code execution vulnerability in Confluence Server and Data Center. This vulnerability, classified as external, allows unauthenticated attackers to execute arbitrary code on affected instances. Immediate action is required to mitigate the significant business risk associated with this exploit.
- Find affected Confluence assets.
- Reduce exposure or isolate risk.
- Apply vendor fix, verify, and monitor.
