CVE-2020-25196 Explained : Impact and Mitigation
Learn about CVE-2020-25196 affecting MOXA NPort IAW5000A-I/O Series firmware. Discover the impact, affected systems, and mitigation steps to secure your network.
MOXA NPort IAW5000A-I/O Series firmware version 2.1 or lower is vulnerable to brute force attacks due to improper authentication restrictions.
Understanding CVE-2020-25196
The vulnerability in the MOXA NPort IAW5000A-I/O Series exposes systems to potential unauthorized access through SSH/Telnet sessions.
What is CVE-2020-25196?
The built-in WEB server for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower allows SSH/Telnet sessions, which may be vulnerable to brute force attacks to bypass authentication.
The Impact of CVE-2020-25196
- CVSS Base Score: 9.8 (Critical)
- Attack Vector: Network
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2020-25196
The technical details of the vulnerability in MOXA NPort IAW5000A-I/O Series.
Vulnerability Description
The vulnerability allows attackers to conduct brute force attacks on SSH/Telnet sessions, potentially leading to unauthorized access.
Affected Systems and Versions
- Product: NPort IAW5000A-I/O
- Vendor: MOXA
- Versions Affected: <= Version 2.1
Exploitation Mechanism
Attackers can exploit this vulnerability by attempting multiple authentication requests to gain unauthorized access.
Mitigation and Prevention
Protect your systems from CVE-2020-25196.
Immediate Steps to Take
- Apply the updated firmware version provided by MOXA.
Long-Term Security Practices
- Implement strong password policies.
- Monitor and restrict SSH/Telnet access.
- Regularly update firmware and security patches.
Patching and Updates
MOXA has released an updated firmware version for the NPort IAW5000A-I/O Series. Install this update on all affected systems to mitigate the vulnerability.