VDB-344571 · CVE-2025-15312 · TAN-2025-003

Tanium Appliance prior 1.8.3.0146/1.8.4.0157 escape output

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Tanium Appliance and classified as critical. The impacted element is an unknown function. Performing a manipulation results in escape output. This vulnerability is identified as CVE-2025-15312. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Tanium Appliance. It has been classified as critical. This affects an unknown part. The manipulation with an unknown input leads to a escape output vulnerability. CWE is classifying the issue as CWE-116. The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Tanium addressed an improper output sanitization vulnerability in Tanium Appliance.

It is possible to read the advisory at security.tanium.com. This vulnerability is uniquely identified as CVE-2025-15312 since 12/30/2025. The exploitability is told to be difficult. It is possible to initiate the attack remotely. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 1.8.3.0146 or 1.8.4.0157 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-206830). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Tanium

Name

Appliance

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.6
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔒

CNA Base Score: 6.6
CNA Vector (Tanium): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Escape output
CWE: CWE-116 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Appliance 1.8.3.0146/1.8.4.0157

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-2025-003
Status: Confirmed

CVE: CVE-2025-15312 (🔒)
GCVE (CVE): GCVE-0-2025-15312
GCVE (VulDB): GCVE-100-344571
EUVD: 🔒

Entryinfo

Created: 02/05/2026 20:15
Updated: 02/11/2026 07:58
Changes: 02/05/2026 20:15 (62), 02/06/2026 18:51 (1), 02/11/2026 07:58 (11)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.