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CVE-2021-34859

Published: Oct 25, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-119
8.8HIGH
NVD MITRE
EPSS Score
9.1%
Top 5.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of TeamViewer 15.16.8.0. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of TVS files. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-13697.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-119CWE-787

Affected Products

TeamViewer
commercial·DEaka teamviewer gmbh
TeamViewerOn-premDesktop App
Communications / messaging-chat
and 1 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://community.teamviewer.com/English/discussion/117794/august-updates-security-patches/p1
community.teamviewer.com
https://www.zerodayinitiative.com/advisories/ZDI-21-1003/
zerodayinitiative.com

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