Tanium Appliance prior 1.8.3.0196/1.8.5.0199/1.8.5.0227 untrusted search path

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Tanium Appliance and classified as problematic. This affects an unknown function. Executing a manipulation can lead to untrusted search path. This vulnerability is tracked as CVE-2025-15321. The attack is restricted to local execution. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Tanium Appliance. It has been declared as critical. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a untrusted search path vulnerability. The CWE definition for the vulnerability is CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Tanium addressed an improper input validation vulnerability in Tanium Appliance.

The advisory is shared for download at security.tanium.com. This vulnerability was named CVE-2025-15321 since 12/30/2025. The exploitation appears to be difficult. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1574.

Upgrading to version 1.8.3.0196, 1.8.5.0199 or 1.8.5.0227 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-206840). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.0

VulDB Base Score: 7.0
VulDB Temp Score: 6.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 2.7
NVD Vector: 🔒

CNA Base Score: 2.7
CNA Vector (Tanium): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Appliance 1.8.3.0196/1.8.5.0199/1.8.5.0227

Timelineinfo

12/30/2025 CVE reserved
02/05/2026 +37 days Advisory disclosed
02/05/2026 +0 days VulDB entry created
02/11/2026 +6 days VulDB entry last update

Sourcesinfo

Advisory: TAN-2025-024
Status: Confirmed

CVE: CVE-2025-15321 (🔒)
GCVE (CVE): GCVE-0-2025-15321
GCVE (VulDB): GCVE-100-344572
EUVD: 🔒

Entryinfo

Created: 02/05/2026 20:16
Updated: 02/11/2026 07:58
Changes: 02/05/2026 20:16 (63), 02/06/2026 19:23 (1), 02/11/2026 07:58 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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