CVE-2020-13541 Explained : Impact and Mitigation
Learn about CVE-2020-13541, a critical local privilege elevation vulnerability in Win-911 Mobile Server V2.5. Understand the impact, technical details, and mitigation steps to secure your systems.
An exploitable local privilege elevation vulnerability exists in the file system permissions of the Mobile-911 Server V2.5 install directory. This vulnerability could allow an attacker to execute arbitrary code with System privileges or perform local privilege escalation.
Understanding CVE-2020-13541
This CVE involves a critical vulnerability in the Win-911 Mobile Server V2.5, impacting the file system permissions.
What is CVE-2020-13541?
The vulnerability allows an attacker to overwrite the service executable or replace files in the installation folder, potentially leading to local privilege escalation.
The Impact of CVE-2020-13541
- CVSS Base Score: 9.3 (Critical)
- Attack Vector: Local
- Attack Complexity: Low
- Privileges Required: None
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Scope: Changed
- User Interaction: None
- CVE ID: CVE-2020-13541
- CWE ID: CWE-276: Incorrect Default Permissions
Technical Details of CVE-2020-13541
This section provides more in-depth technical information about the vulnerability.
Vulnerability Description
The vulnerability arises from improper file system permissions in the Mobile-911 Server V2.5 install directory, enabling unauthorized access and potential privilege escalation.
Affected Systems and Versions
- Affected Product: Win-911
- Affected Version: Win-911 Mobile Server V2.5
Exploitation Mechanism
The attacker can exploit this vulnerability by manipulating file system permissions to execute malicious code or escalate privileges locally.
Mitigation and Prevention
Protecting systems from CVE-2020-13541 requires immediate action and long-term security measures.
Immediate Steps to Take
- Apply security patches promptly
- Restrict access to critical directories
- Monitor file system changes
Long-Term Security Practices
- Regularly update and patch software
- Implement the principle of least privilege
- Conduct regular security audits
Patching and Updates
Ensure that all systems running Win-911 Mobile Server V2.5 are updated with the latest patches to mitigate the vulnerability.