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Teamviewer CVE-2018-14333

HIGH
Information Exposure (CWE-200)
2018-07-17 cve@mitre.org
8.1
CVSS 3.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK

2 techniques across 2 tactics: Collection, Discovery

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 8.1 (HIGH). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

A remote attacker could access sensitive data that should not be disclosed by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 2.6% exploitation probability (EPSS)

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AnalysisAI

TeamViewer through 13.1.1548 stores a password in Unicode format within TeamViewer.exe process memory between "[00 88] and "[00 00 00]" delimiters, which might make it easier for attackers to obtain. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. TeamViewer through 13.1.1548 stores a password in Unicode format within TeamViewer.exe process memory between "[00 88] and "[00 00 00]" delimiters, which might make it easier for attackers to obtain sensitive information by leveraging an unattended workstation on which TeamViewer has disconnected but remains running. Affected products include: Teamviewer. Version information: through 13.1.1548.

Severity by source

NVD PRIMARY 8.1 HIGH
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

TeamViewer through 13.1.1548 stores a password in Unicode format within TeamViewer.exe process memory between "[00 88] and "[00 00 00]" delimiters, which might make it easier for attackers to obtain sensitive information by leveraging an unattended workstation on which TeamViewer has disconnected but remains running.

Threat Intelligence Overview

EPSS Score
2.6%
Top 16% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 2.6%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

63
Low Medium High Critical
KEV: 0
EPSS: +3
CVSS: +40
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:teamviewer:teamviewer:*:*:*:*:*:*:*:*
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6.5 Dec 02

An issue was discovered in the Chat functionality of the TeamViewer desktop application 14.3.4730 on Windows. Rated medi

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9.8 Sep 05

TeamViewer 10.x through 13.x allows remote attackers to bypass the brute-force authentication protection mechanism by sk

CVE-2026-19042 HIGH
8.8 Aug 26

Command injection in TeamViewer Full Client and Host for Linux (prior to version 15.81.5) allows remote attackers to exe

CVE-2026-92372 HIGH
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An out-of-bounds write in the screen-image decoder of TeamViewer Full Client for Linux and macOS allows a remote attacke

CVE-2025-44016 HIGH
8.8 Dec 11

Arbitrary code execution in TeamViewer DEX Client (formerly 1E Client) versions prior to 25.11 on Windows allows unauthe

CVE-2026-111585 HIGH
8.8 Oct 27

Integer overflow in TeamViewer's remote-control screen processing component affects Full Client, Portable, and Remote Co

CVE-2026-92370 HIGH
8.8 Sep 29

TeamViewer Full Client and Host on Windows, Linux, and macOS contain an improper access control flaw that allows authent

CVE-2021-34859 HIGH
8.8 Oct 25

This vulnerability allows remote attackers to execute arbitrary code on affected installations of TeamViewer 15.16.8.0.

CVE-2019-18251 HIGH
8.8 Nov 26

In Omron CX-Supervisor, Versions 3.5 (12) and prior, Omron CX-Supervisor ships with Teamviewer Version 5.0.8703 QS. Rate

CVE-2026-12703 HIGH
8.0 Jul 29

Two-factor authentication bypass in TeamViewer Full Client and Host for macOS before 15.80 lets an already-authenticated

CVE-2026-92376 HIGH
7.8 Oct 27

Local privilege escalation in TeamViewer Remote Management Monitoring for Windows before 26.10.1: a low-privileged authe

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