CVE-2020-1991 Explained : Impact and Mitigation
Discover the impact of CVE-2020-1991, an insecure temporary file vulnerability in Palo Alto Networks Traps leading to privilege escalation on Windows. Learn about affected versions and mitigation steps.
An insecure temporary file vulnerability in Palo Alto Networks Traps allows a local authenticated Windows user to escalate privileges or overwrite system files.
Understanding CVE-2020-1991
What is CVE-2020-1991?
This CVE refers to an insecure temporary file vulnerability in Palo Alto Networks Traps affecting specific versions on Windows.
The Impact of CVE-2020-1991
The vulnerability could enable a local authenticated Windows user to elevate privileges or manipulate system files, posing a high-level threat to confidentiality, integrity, and availability.
Technical Details of CVE-2020-1991
Vulnerability Description
The vulnerability exists in Palo Alto Networks Traps versions 5.0 (before 5.0.8) and 6.1 (before 6.1.4) on Windows.
Affected Systems and Versions
- Affected: Palo Alto Networks Traps 5.0 versions less than 5.0.8, 6.1 versions less than 6.1.4 on Windows
- Unaffected: Cortex XDR 7.0.*
Exploitation Mechanism
- Attack Vector: Local
- Attack Complexity: Low
- Privileges Required: Low
- User Interaction: None
Mitigation and Prevention
Immediate Steps to Take
- Update affected Palo Alto Networks Traps to versions 5.0.8 or 6.1.4 and above
Long-Term Security Practices
- Regularly monitor for security updates from Palo Alto Networks
- Implement the principle of least privilege
Patching and Updates
- Permanent fix available in Palo Alto Networks Traps versions 5.0.8, 6.1.4, and later