TeamViewer Full Client/Host prior 15.69 on Windows Symbolic Links toctou

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in TeamViewer Full Client and Host on Windows and classified as problematic. This issue affects some unknown processing of the component Symbolic Links Handler. The manipulation results in toctou. This vulnerability is reported as CVE-2025-44002. The attack requires a local approach. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in TeamViewer Full Client and Host on Windows. Affected is an unknown code of the component Symbolic Links Handler. The manipulation with an unknown input leads to a toctou vulnerability. CWE is classifying the issue as CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. This is going to have an impact on integrity, and availability. CVE summarizes:

Race Condition in the Directory Validation Logic in the TeamViewer Full Client and Host prior version 15.69 on Windows allows a local non-admin user to create arbitrary files with SYSTEM privileges, potentially leading to a denial-of-service condition, via symbolic link manipulation during directory verification.

The advisory is available at teamviewer.com. This vulnerability is traded as CVE-2025-44002 since 04/30/2025. The exploitability is told to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available.

Upgrading to version 15.69 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-1908). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • TeamViewer TeamViewer

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.1
CNA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Toctou
CWE: CWE-367 / CWE-362
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

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: Full Client/Host 15.69

Timelineinfo

04/30/2025 CVE reserved
08/26/2025 +118 days Advisory disclosed
08/26/2025 +0 days VulDB entry created
08/26/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: teamviewer.com
Status: Confirmed

CVE: CVE-2025-44002 (🔒)
GCVE (CVE): GCVE-0-2025-44002
GCVE (VulDB): GCVE-100-321402
CERT Bund: WID-SEC-2025-1908 - TeamViewer: Schwachstelle ermöglicht Manipulation von Dateien

Entryinfo

Created: 08/26/2025 14:29
Updated: 08/26/2025 14:45
Changes: 08/26/2025 14:29 (62), 08/26/2025 14:45 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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