CVE-2019-20474 : Exploit Details and Defense Strategies
Discover the impact of CVE-2019-20474, a vulnerability in Zoho ManageEngine Remote Access Plus 10.0.447 allowing unauthorized network and port scans by users with limited access roles. Learn mitigation steps.
Zoho ManageEngine Remote Access Plus 10.0.447 has a vulnerability that allows unauthorized actions by users with limited access roles.
Understanding CVE-2019-20474
Zoho ManageEngine Remote Access Plus 10.0.447 has an authorization issue that can be exploited by users with the Guest role.
What is CVE-2019-20474?
The vulnerability in Zoho ManageEngine Remote Access Plus 10.0.447 allows users with restricted access to misuse the mail-server configuration testing service, enabling unauthorized network and port scan operations.
The Impact of CVE-2019-20474
- CVSS Base Score: 4.3 (Medium)
- Attack Vector: Network
- Confidentiality Impact: Low
- Integrity Impact: None
- Privileges Required: Low
- Scope: Unchanged
- The vulnerability poses a moderate risk, allowing unauthorized users to conduct potentially harmful network scans.
Technical Details of CVE-2019-20474
Zoho ManageEngine Remote Access Plus 10.0.447 vulnerability details.
Vulnerability Description
The vulnerability in Zoho ManageEngine Remote Access Plus 10.0.447 allows users with limited access to exploit the mail-server configuration testing service, potentially leading to unauthorized network and port scans.
Affected Systems and Versions
- Affected Version: 10.0.447
- Vendor: Zoho ManageEngine
Exploitation Mechanism
The vulnerability enables users with the Guest role to misuse the service, conducting network and port scan operations on the localhost or hosts in the same network segment, known as SSRF.
Mitigation and Prevention
Steps to mitigate and prevent exploitation of CVE-2019-20474.
Immediate Steps to Take
- Disable access for users with the Guest role until a patch is available.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update and patch the software to address security vulnerabilities.
- Implement least privilege access controls to limit unauthorized actions.
Patching and Updates
- Apply the latest patches and updates provided by Zoho ManageEngine to fix the vulnerability.