CVE-2020-13461 in SecureTrack
Summary
by MITRE • 02/09/2021
Username enumeration in present in Tufin SecureTrack. It's affecting all versions of SecureTrack. The vendor has decided not to fix this vulnerability. Vendor's response: "This attack requires access to the internal network. If an attacker is part of the internal network, they do not require access to TOS to know the usernames".
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Analysis
by VulDB Data Team • 02/25/2021
The vulnerability CVE-2020-13461 represents a username enumeration flaw within Tufin SecureTrack, a network security solution designed for policy management and compliance monitoring. This type of vulnerability falls under CWE-203, which specifically addresses the exposure of sensitive information through the revelation of usernames or other identifiers. The flaw exists across all versions of the SecureTrack platform, indicating a fundamental architectural weakness that has persisted without remediation. The vulnerability allows attackers to systematically identify valid user accounts within the system through indirect means, creating a significant security risk that extends beyond simple credential guessing.
The technical mechanism behind this enumeration vulnerability involves the application's response behavior when processing authentication attempts or account validation requests. When an attacker submits a username that does not exist in the system, the application's response differs from when a valid username is submitted, creating distinguishable patterns that can be exploited to determine which accounts are legitimate. This typically manifests through subtle differences in response time, error messages, or HTTP status codes that reveal the existence of specific user accounts. The vulnerability operates at the application layer, specifically within the authentication and authorization components, making it particularly dangerous as it can be exploited without requiring elevated privileges or direct access to the underlying operating system.
From an operational impact perspective, this vulnerability creates substantial risk for organizations using Tufin SecureTrack, particularly in environments where internal network compromise is possible or likely. The vendor's stance that "this attack requires access to the internal network" does not adequately address the reality of modern threat landscapes where lateral movement and internal breaches are common occurrences. Even if an attacker initially gains access through other means, the enumeration capability provides them with a valuable reconnaissance tool that can be used to plan more sophisticated attacks targeting specific user accounts. The vulnerability can be leveraged in conjunction with other attacks such as credential stuffing, brute force attempts, or social engineering campaigns, significantly amplifying the potential damage. Organizations may find themselves vulnerable to targeted attacks against high-value accounts or administrative users, potentially leading to unauthorized access to network policies, configuration changes, or data exfiltration.
The mitigation strategies for this vulnerability must address both immediate defensive measures and long-term architectural improvements. Organizations should implement rate limiting and account lockout mechanisms to prevent automated enumeration attempts, while also considering the implementation of more robust authentication protocols that do not reveal account status information. Network segmentation and access controls should be strengthened to limit potential attack surfaces, and monitoring systems should be enhanced to detect unusual authentication patterns or enumeration attempts. Additionally, organizations should conduct regular security assessments to identify similar vulnerabilities in other applications and systems, as username enumeration flaws are common across many software platforms. The lack of vendor support for this vulnerability underscores the importance of proactive security measures and the need for organizations to maintain their own security posture even when vendors decline to provide fixes for identified issues. This vulnerability demonstrates the critical need for organizations to implement comprehensive security monitoring and incident response capabilities that can detect and respond to such enumeration attacks effectively.