Skip to main content

Teamviewer CVE-2021-34803

HIGH
Uncontrolled Search Path Element (CWE-427)
2021-06-16 cve@mitre.org
Information Disclosure Microsoft Teamviewer
7.8
CVSS 3.1 · NVD
Share

Severity by source

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

1
CVE Published
Jun 16, 2021 - 15:15 nvd
HIGH 7.8

DescriptionNVD

TeamViewer before 14.7.48644 on Windows loads untrusted DLLs in certain situations.

AnalysisAI

TeamViewer before 14.7.48644 on Windows loads untrusted DLLs in certain situations. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-427. TeamViewer before 14.7.48644 on Windows loads untrusted DLLs in certain situations. Affected products include: Teamviewer. Version information: before 14.7.48644.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

More in Teamviewer

View all
CVE-2020-13699 HIGH POC
8.8 Jul 29

TeamViewer Desktop for Windows before 15.8.3 does not properly quote its custom URI handlers. Rated high severity (CVSS

CVE-2018-14333 HIGH POC
8.1 Jul 17

TeamViewer through 13.1.1548 stores a password in Unicode format within TeamViewer.exe process memory between "[00 88] a
CVE-2019-19362 MEDIUM POC
6.5 Dec 02

An issue was discovered in the Chat functionality of the TeamViewer desktop application 14.3.4730 on Windows. Rated medi
CVE-2018-16550 CRITICAL
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-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-2024-0819 HIGH
7.8 Feb 27

Improper initialization of default settings in TeamViewer Remote Client prior version 15.51.5 for Windows, Linux and mac
CVE-2019-11769 HIGH
7.8 Sep 11

An issue was discovered in TeamViewer 14.2.2558. Rated high severity (CVSS 7.8), this vulnerability is low attack comple
CVE-2026-16444 HIGH
7.5 Aug 26

Path traversal in TeamViewer Desktop Clients prior to version 15.81.5 allows an authenticated remote session participant
CVE-2026-23571 MEDIUM
6.8 Jan 29

TeamViewer DEX versions below 24.5 allow authenticated users with actioner privileges to execute arbitrary elevated comm

Same weakness CWE-427 – Uncontrolled Search Path Element

View all
CVE-2020-3153 MEDIUM POC
6.5
CVE-2020-3433 HIGH POC
7.8
CVE-2017-6517 CRITICAL POC
9.8
CVE-2020-27955 CRITICAL POC
9.8
CVE-2024-48990 HIGH POC
7.8
CVE-2022-2334 HIGH POC
7.2
CVE-2024-23054 CRITICAL POC
9.8
CVE-2023-31543 CRITICAL POC
9.8

Same technique Information Disclosure

View all
CVE-2019-2725 CRITICAL POC
9.8
CVE-2021-34523 CRITICAL POC
9.0
CVE-2013-2251 CRITICAL POC
9.8
CVE-2017-5638 CRITICAL POC
9.8
CVE-2025-24813 CRITICAL POC
9.8
CVE-2015-1701 HIGH POC
7.8
CVE-2017-0147 HIGH POC
7.5
CVE-2014-6324 HIGH POC
8.8

Share

CVE-2021-34803 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy