S4E

Versa FlexVNF Default Login Scanner

This scanner detects the use of Versa FlexVNF in digital assets. It identifies the presence of default login credentials that may lead to unauthorized access.

Short Info


Level

High

Single Scan

Single Scan

Can be used by

Asset Owner

Estimated Time

1 minute

Time Interval

15 days 13 hours

Scan only one

Domain, IPv4

Toolbox

-

Versa FlexVNF is commonly used by enterprises and service providers to provide enhanced network capabilities and improve connectivity. This software is utilized to manage virtual network functions in a scalable and flexible manner across various network environments. Typically implemented in data centers and large-scale network operations, Versa FlexVNF aims to streamline network management and operations. Network administrators select this product for its robust feature set that includes advanced routing, security, and management functionalities. Versa Networks offers comprehensive solutions to optimize networking performance, ensuring secure and efficient network communication. With its ability to handle complex networking needs, Versa FlexVNF is a critical component in modern networking infrastructure.

A default login vulnerability occurs when a system is pre-configured with standard login credentials that have not been changed by the user. This can lead to unauthorized access as an attacker with knowledge of the default credentials can easily log in to the system. Such vulnerabilities are especially critical in networking products like Versa FlexVNF where unauthorized access can compromise the entire network infrastructure. Users often overlook changing default credentials due to either oversight or convenience, increasing the risk of exploitation. Identifying and mitigating default login vulnerabilities is crucial to maintaining system and network security. Ensuring that default credentials are modified is a fundamental security practice that defends against unauthorized access.

The technical aspect of this vulnerability in Versa FlexVNF involves the standard authentication endpoint where these default credentials are utilized. The endpoint in question is the "/authenticate" endpoint which is vulnerable to attempts to log in using pre-set usernames like "versa" or "admin" along with their corresponding default passwords. The template employs a testing methodology through HTTP requests to these endpoints, validating successful login attempts by checking specific response conditions. Analyzing server responses for successful logins without encountering error messages confirms the presence of this vulnerability. The use of "CSRF-Token" in requests hints at an incomplete implementation of security mechanisms, failing to protect against such default credential exploitation. Automated scripts can exploit these endpoints if left unsecured, quickly compromising network integrity.

If the default login vulnerability in Versa FlexVNF is exploited, it can have severe consequences on the integrity, confidentiality, and availability of the network. Malicious actors could gain unauthorized access, potentially leading to theft of sensitive data and unauthorized network control. This encompasses modifications to system configurations, unauthorized transaction executions, and other nefarious activities. The entire network's security posture may be compromised, resulting in operational disruptions and data breaches. Organizations risk severe reputational damage along with potential legal and financial repercussions. Consequently, addressing this vulnerability is crucial for maintaining network security and protecting organizational assets.

REFERENCES

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