CVE-2025-15343

6.5 MEDIUM

📋 TL;DR

CVE-2025-15343 is an incorrect default permissions vulnerability in Tanium Enforce that allows local users to gain elevated privileges. This affects organizations using Tanium Enforce for endpoint management and security policy enforcement. The vulnerability stems from improper access controls in default configurations.

💻 Affected Systems

Products:
  • Tanium Enforce
Versions: Specific versions not detailed in advisory; consult Tanium security bulletin for exact affected versions
Operating Systems: Windows, Linux, macOS (where Tanium Enforce is deployed)
Default Config Vulnerable: ⚠️ Yes
Notes: Affects default installations of Tanium Enforce. Organizations using custom permissions configurations may have reduced risk.

⚠️ 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

Local attackers could escalate privileges to SYSTEM/root level, potentially gaining full control over endpoints and accessing sensitive data or deploying malware.

🟠

Likely Case

Malicious insiders or compromised user accounts could exploit this to bypass security controls, modify enforcement policies, or disable security features.

🟢

If Mitigated

With proper access controls and least privilege principles, impact is limited to authorized users who already have some level of system access.

🌐 Internet-Facing: LOW - This requires local access to the system and cannot be exploited remotely over the internet.
🏢 Internal Only: HIGH - Internal users with local access to Tanium-managed endpoints can exploit this vulnerability for privilege escalation.

🎯 Exploit Status

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

Exploitation requires local access but is likely straightforward once access is obtained. No public exploit code is available as of advisory publication.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Consult Tanium security advisory TAN-2025-032 for specific patched versions

Vendor Advisory: https://security.tanium.com/TAN-2025-032

Restart Required: Yes

Instructions:

1. Review Tanium advisory TAN-2025-032. 2. Identify affected Tanium Enforce versions in your environment. 3. Apply the Tanium-provided patch/update. 4. Restart affected Tanium services. 5. Verify permissions are correctly set post-patch.

🔧 Temporary Workarounds

Manual Permissions Hardening

all

Review and tighten file/folder permissions for Tanium Enforce components to restrict write access to authorized administrators only.

Access Control Review

all

Implement strict access controls and audit local user permissions on Tanium-managed endpoints.

🧯 If You Can't Patch

  • Implement strict least privilege access controls on all endpoints running Tanium Enforce
  • Monitor for unusual privilege escalation attempts and Tanium Enforce configuration changes

🔍 How to Verify

Check if Vulnerable:

Check Tanium Enforce version against affected versions listed in TAN-2025-032 advisory. Review file permissions on Tanium Enforce installation directories.

Check Version:

tanium version (or consult Tanium console for Enforce module version)

Verify Fix Applied:

Verify Tanium Enforce is updated to patched version per advisory. Confirm file permissions are properly restricted post-patch.

📡 Detection & Monitoring

Log Indicators:

  • Unusual file permission changes in Tanium directories
  • Unexpected privilege escalation events
  • Modifications to Tanium Enforce configuration files by non-admin users

Network Indicators:

  • N/A - Local vulnerability

SIEM Query:

Search for events where non-administrative users modify Tanium Enforce files or registry keys, or where privilege escalation occurs on Tanium-managed endpoints.

🔗 References

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