CVE-2025-15329: Tanium Threat Response Info Disclosure

CVE-2025-15329 Overview

CVE-2025-15329 is an information disclosure vulnerability affecting Tanium Threat Response. This security flaw could allow an attacker with privileged access to the system to expose sensitive information through improper handling of data transmission.

Critical Impact

Authenticated attackers with high privileges could extract sensitive information from Tanium Threat Response, potentially compromising organizational security posture and exposing confidential data.

Affected Products

• Tanium Threat Response

Discovery Timeline

• 2026-02-05 - CVE CVE-2025-15329 published to NVD
• 2026-02-05 - Last updated in NVD database

Technical Details for CVE-2025-15329

Vulnerability Analysis

This vulnerability is classified under CWE-201 (Insertion of Sensitive Information Into Sent Data), indicating that the affected component improperly includes sensitive information in data that is transmitted or accessible to unauthorized parties. The vulnerability requires network access and high-level privileges to exploit, but once these conditions are met, the attacker can achieve high confidentiality impact without any user interaction.

The flaw resides within Tanium Threat Response, an endpoint detection and response (EDR) solution. When exploited, the vulnerability enables extraction of sensitive information that should remain protected, potentially including threat intelligence data, endpoint information, or security configuration details.

Root Cause

The root cause of CVE-2025-15329 stems from improper handling of sensitive data within Tanium Threat Response. The application fails to adequately filter or sanitize sensitive information before including it in transmitted data, leading to information exposure. This falls under CWE-201, where sensitive information is inadvertently inserted into sent data that may be accessible to parties who should not have access to such information.

Attack Vector

The attack vector for this vulnerability is network-based, requiring an authenticated attacker with high privileges to exploit it. The attacker would need to:

1. Gain authenticated access to the Tanium Threat Response system
2. Obtain or possess high-level administrative privileges
3. Perform actions that trigger the information disclosure condition
4. Intercept or access the improperly exposed sensitive data

While the requirement for high privileges limits the attack surface, insider threats or compromised administrative accounts could leverage this vulnerability to extract sensitive security information.

Detection Methods for CVE-2025-15329

Indicators of Compromise

• Unusual data access patterns from privileged accounts accessing Tanium Threat Response
• Unexpected data exports or queries targeting sensitive configuration areas
• Anomalous network traffic originating from Tanium Threat Response components

Detection Strategies

• Monitor administrative activity within Tanium Threat Response for unauthorized data access attempts
• Implement logging and alerting for privileged actions that interact with sensitive data
• Review access logs for unusual patterns from high-privilege accounts

Monitoring Recommendations

• Enable comprehensive audit logging for all administrative actions in Tanium environments
• Configure SIEM rules to detect anomalous data retrieval patterns from Tanium Threat Response
• Establish baseline behavior for privileged users and alert on deviations

How to Mitigate CVE-2025-15329

Immediate Actions Required

• Review Tanium's security advisory TAN-2025-019 for specific remediation guidance
• Audit privileged accounts with access to Tanium Threat Response and enforce least privilege principles
• Enable enhanced logging to detect potential exploitation attempts
• Consider temporary access restrictions for non-essential administrative users until patching is complete

Patch Information

Tanium has addressed this vulnerability in Threat Response. Organizations should consult the official Tanium Security Advisory TAN-2025-019 for specific patch versions and upgrade instructions. Apply the latest security updates from Tanium to remediate this vulnerability.

Workarounds

• Restrict administrative access to Tanium Threat Response to only essential personnel
• Implement network segmentation to limit exposure of Tanium management interfaces
• Deploy additional monitoring on privileged account activities within the Tanium environment
• Review and enforce role-based access controls to minimize the number of users with high privileges