CVE-2025-15340
📋 TL;DR
CVE-2025-15340 is an incorrect default permissions vulnerability in Tanium Comply that allows unauthorized users to access or modify security compliance data. This affects organizations using Tanium Comply with default configurations, potentially exposing sensitive compliance information.
💻 Affected Systems
- Tanium Comply
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could modify compliance policies to hide security violations, disable security controls, or exfiltrate sensitive compliance data, leading to undetected security breaches.
Likely Case
Unauthorized internal users accessing compliance reports or configuration data they shouldn't have access to, potentially exposing sensitive system information.
If Mitigated
Limited impact with proper access controls and network segmentation in place, restricting unauthorized access attempts.
🎯 Exploit Status
Exploitation requires some level of access to the Tanium environment; not a remote unauthenticated vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Tanium advisory TAN-2025-029 for specific patched versions
Vendor Advisory: https://security.tanium.com/TAN-2025-029
Restart Required: Yes
Instructions:
1. Review Tanium advisory TAN-2025-029. 2. Update Tanium Comply to the patched version. 3. Restart Tanium services. 4. Verify permissions are correctly configured post-update.
🔧 Temporary Workarounds
Manual Permission Review
allReview and tighten permissions on Tanium Comply components and data stores
Network Segmentation
allRestrict network access to Tanium Comply interfaces to authorized users only
🧯 If You Can't Patch
- Implement strict access controls and principle of least privilege for Tanium Comply users
- Monitor Tanium Comply access logs for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check Tanium Comply version against affected versions in TAN-2025-029 advisoryCheck Version:
tanium command to check Comply version (specific command varies by deployment)Verify Fix Applied:
Verify Tanium Comply is updated to patched version and test permissions with non-admin users📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to Comply APIs or interfaces
- Unexpected permission changes in Tanium logs
Network Indicators:
- Unusual access patterns to Tanium Comply endpoints from unauthorized sources
SIEM Query:
source="tanium" AND (event="access_denied" OR event="permission_change") AND component="comply"