CVE-2020-5525 : What You Need to Know
Learn about CVE-2020-5525, an OS Command Injection vulnerability in NEC Aterm series devices, allowing attackers to execute unauthorized commands with root privileges.
Aterm series (Aterm WF1200C firmware Ver1.2.1 and earlier, Aterm WG1200CR firmware Ver1.2.1 and earlier, Aterm WG2600HS firmware Ver1.3.2 and earlier) allows an authenticated attacker on the same network segment to execute arbitrary OS commands with root privileges via management screen.
Understanding CVE-2020-5525
This CVE involves an OS Command Injection vulnerability in NEC Corporation's Aterm series devices.
What is CVE-2020-5525?
CVE-2020-5525 is a security vulnerability that enables an authenticated attacker within the same network segment to run unauthorized OS commands with root privileges through the device's management screen.
The Impact of CVE-2020-5525
The exploitation of this vulnerability could lead to unauthorized access and control over the affected devices, potentially resulting in severe security breaches and data compromise.
Technical Details of CVE-2020-5525
This section provides detailed technical information about the CVE.
Vulnerability Description
The vulnerability allows an authenticated attacker to execute arbitrary OS commands with root privileges.
Affected Systems and Versions
- Product: Aterm series
- Vendor: NEC Corporation
- Vulnerable Versions: Aterm WF1200C firmware Ver1.2.1 and earlier, Aterm WG1200CR firmware Ver1.2.1 and earlier, Aterm WG2600HS firmware Ver1.3.2 and earlier
Exploitation Mechanism
The attacker needs to be authenticated on the same network segment to exploit the vulnerability via the management screen.
Mitigation and Prevention
Protect your systems from CVE-2020-5525 with the following steps:
Immediate Steps to Take
- Apply vendor-provided patches or updates promptly.
- Restrict network access to the management interface.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update firmware and software to the latest versions.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Check the vendor's security advisories for patches and updates.
- Follow best practices for secure device configuration and management.