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CVE-2025-8077: NeuVector Default Password Vulnerability

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Overview

The cybersecurity world is once again under threat due to a severe vulnerability, CVE-2025-8077. This vulnerability has been identified in NeuVector versions up to and including 5.4.5 and pertains to the use of a default password for the built-in `admin` account. If left unchanged after deployment, this vulnerability could potentially lead to system compromise or data leakage. This vulnerability is of particular concern to businesses or industries that rely heavily on NeuVector for their operational needs, as unauthorized access through this vulnerability could have devastating effects on their systems and data.

Vulnerability Summary

CVE ID: CVE-2025-8077
Severity: Critical (9.8 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage

Affected Products

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Product | Affected Versions

NeuVector | Up to and including 5.4.5

How the Exploit Works

The vulnerability CVE-2025-8077 arises from the use of a fixed string as the default password for the built-in `admin` account in NeuVector. If this password is not changed immediately after deployment, any workload within the cluster with network access can use these default credentials to obtain an authentication token. This token can then be used to perform any operation via the NeuVector APIs, thereby potentially compromising the system or causing data leakage.

Conceptual Example Code

Below is a conceptual example of how this vulnerability might be exploited using a simple HTTP request:

POST /neuvector/api/v2/auth/login HTTP/1.1
Host: target.example.com
Content-Type: application/json
{
"username": "admin",
"password": "defaultpassword"
}

In this example, an attacker uses the default `admin` credentials to authenticate against the NeuVector API. Once authenticated, the attacker could potentially perform any operation via the NeuVector APIs, leading to system compromise or data leakage.
To protect against this vulnerability, users are urged to change the default `admin` password immediately after deployment. As a temporary mitigation, a WAF/IDS could be used, or you could apply the vendor patch as soon as it becomes available.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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