CVE-2021-34803
TeamViewer DLL Loading Vulnerability
Description
TeamViewer before 14.7.48644 on Windows loads untrusted DLLs in certain situations.
INFO
Published Date :
June 16, 2021, 3:15 p.m.
Last Modified :
April 6, 2022, 5:08 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-34803.
| URL | Resource |
|---|---|
| https://community.teamviewer.com/English/discussion/111147/windows-v9-0-259145 | Release Notes Vendor Advisory |
| https://community.teamviewer.com/English/discussion/111149/windows-v10-0-259144 | Release Notes Vendor Advisory |
| https://community.teamviewer.com/English/discussion/111150/windows-v11-0-259143 | Release Notes Vendor Advisory |
| https://community.teamviewer.com/English/discussion/111151/windows-v12-0-259142 | Release Notes Vendor Advisory |
| https://community.teamviewer.com/English/discussion/111152/windows-v13-2-36222 | Release Notes Vendor Advisory |
| https://community.teamviewer.com/English/discussion/111153/windows-v14-2-56678 | Release Notes Vendor Advisory |
| https://community.teamviewer.com/English/discussion/111154/windows-v14-7-48644 | Release Notes Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-34803 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-34803 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Apr. 06, 2022
Action Type Old Value New Value Changed Reference Type https://community.teamviewer.com/English/discussion/111147/windows-v9-0-259145 No Types Assigned https://community.teamviewer.com/English/discussion/111147/windows-v9-0-259145 Release Notes, Vendor Advisory Changed Reference Type https://community.teamviewer.com/English/discussion/111149/windows-v10-0-259144 No Types Assigned https://community.teamviewer.com/English/discussion/111149/windows-v10-0-259144 Release Notes, Vendor Advisory Changed Reference Type https://community.teamviewer.com/English/discussion/111150/windows-v11-0-259143 No Types Assigned https://community.teamviewer.com/English/discussion/111150/windows-v11-0-259143 Release Notes, Vendor Advisory Changed Reference Type https://community.teamviewer.com/English/discussion/111151/windows-v12-0-259142 No Types Assigned https://community.teamviewer.com/English/discussion/111151/windows-v12-0-259142 Release Notes, Vendor Advisory Changed Reference Type https://community.teamviewer.com/English/discussion/111152/windows-v13-2-36222 No Types Assigned https://community.teamviewer.com/English/discussion/111152/windows-v13-2-36222 Release Notes, Vendor Advisory Changed Reference Type https://community.teamviewer.com/English/discussion/111153/windows-v14-2-56678 No Types Assigned https://community.teamviewer.com/English/discussion/111153/windows-v14-2-56678 Release Notes, Vendor Advisory Changed CPE Configuration AND OR *cpe:2.3:a:teamviewer:teamviewer:*:*:*:*:*:*:*:* versions up to (including) 14.7.48644 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* AND OR *cpe:2.3:a:teamviewer:teamviewer:*:*:*:*:*:*:*:* versions up to (excluding) 9.0.259145 *cpe:2.3:a:teamviewer:teamviewer:*:*:*:*:*:*:*:* versions from (including) 10.0.2551 up to (excluding) 10.0.259144 *cpe:2.3:a:teamviewer:teamviewer:*:*:*:*:*:*:*:* versions from (including) 11.0.90968 up to (excluding) 11.0.259143 *cpe:2.3:a:teamviewer:teamviewer:*:*:*:*:*:*:*:* versions from (including) 12.0.92876 up to (excluding) 12.0.259142 *cpe:2.3:a:teamviewer:teamviewer:*:*:*:*:*:*:*:* versions from (including) 13.0.5058 up to (excluding) 13.2.36222 *cpe:2.3:a:teamviewer:teamviewer:*:*:*:*:*:*:*:* versions from (including) 14.0.8346 up to (excluding) 14.2.56678 *cpe:2.3:a:teamviewer:teamviewer:*:*:*:*:*:*:*:* versions from (including) 14.3.4730 up to (excluding) 14.7.48644 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 26, 2021
Action Type Old Value New Value Added Reference https://community.teamviewer.com/English/discussion/111152/windows-v13-2-36222 [No Types Assigned] Added Reference https://community.teamviewer.com/English/discussion/111153/windows-v14-2-56678 [No Types Assigned] Added Reference https://community.teamviewer.com/English/discussion/111150/windows-v11-0-259143 [No Types Assigned] Added Reference https://community.teamviewer.com/English/discussion/111147/windows-v9-0-259145 [No Types Assigned] Added Reference https://community.teamviewer.com/English/discussion/111151/windows-v12-0-259142 [No Types Assigned] Added Reference https://community.teamviewer.com/English/discussion/111149/windows-v10-0-259144 [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 21, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://community.teamviewer.com/English/discussion/111154/windows-v14-7-48644 No Types Assigned https://community.teamviewer.com/English/discussion/111154/windows-v14-7-48644 Release Notes, Vendor Advisory Added CWE NIST CWE-427 Added CPE Configuration AND OR *cpe:2.3:a:teamviewer:teamviewer:*:*:*:*:*:*:*:* versions up to (including) 14.7.48644 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-34803 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-34803
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.15 }} -0.02%
score
0.51735
percentile