CVE-2025-15331

4.3 MEDIUM

📋 TL;DR

CVE-2025-15331 is an uncontrolled resource consumption vulnerability in Tanium Connect that could allow attackers to cause denial of service by exhausting system resources. This affects organizations using Tanium Connect for endpoint management and security operations. The vulnerability requires network access to the Tanium Connect service.

💻 Affected Systems

Products:
  • Tanium Connect
Versions: Versions prior to 7.7.5
Operating Systems: All supported platforms where Tanium Connect runs
Default Config Vulnerable: ⚠️ Yes
Notes: All deployments of Tanium Connect before the patched version are vulnerable if the service is accessible.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete service disruption of Tanium Connect, preventing endpoint management, security operations, and data collection across the enterprise.

🟠

Likely Case

Degraded performance or temporary unavailability of Tanium Connect services, impacting endpoint visibility and management capabilities.

🟢

If Mitigated

Minimal impact with proper network segmentation and resource monitoring in place.

🌐 Internet-Facing: MEDIUM - While the vulnerability requires network access, internet-facing Tanium Connect instances could be targeted for DoS attacks.
🏢 Internal Only: MEDIUM - Internal attackers or compromised systems could exploit this to disrupt endpoint management operations.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The vulnerability allows resource exhaustion without authentication, making it relatively easy to exploit.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Tanium Connect 7.7.5 and later

Vendor Advisory: https://security.tanium.com/TAN-2025-015

Restart Required: Yes

Instructions:

1. Download Tanium Connect version 7.7.5 or later from the Tanium support portal. 2. Backup current configuration. 3. Stop Tanium Connect service. 4. Install the updated version. 5. Restart Tanium Connect service. 6. Verify service functionality.

🔧 Temporary Workarounds

Network Access Restriction

all

Restrict network access to Tanium Connect service to only trusted management systems and Tanium components.

Resource Monitoring and Limits

all

Implement resource monitoring and limits on the Tanium Connect host to detect and prevent resource exhaustion.

🧯 If You Can't Patch

  • Implement strict network segmentation to limit access to Tanium Connect service
  • Deploy rate limiting and resource monitoring to detect and block DoS attempts

🔍 How to Verify

Check if Vulnerable:

Check Tanium Connect version via Tanium Console or by examining the installed version on the Connect server.

Check Version:

On Tanium Connect server: tanium-connect --version or check via Tanium Console interface

Verify Fix Applied:

Verify Tanium Connect version is 7.7.5 or later and monitor for resource exhaustion attempts.

📡 Detection & Monitoring

Log Indicators:

  • Unusual resource consumption patterns
  • Multiple connection attempts from single sources
  • Service restart events

Network Indicators:

  • High volume of requests to Tanium Connect ports
  • Traffic patterns indicating DoS attempts

SIEM Query:

source="tanium-connect" AND (resource_usage>90% OR connection_count>threshold)

🔗 References

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