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CVE-2021-34859

Quick assessment

Affected
TeamViewer TeamViewer
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Teamviewer TeamViewer是德国TeamViewer（Teamviewer）公司的一套用于远程控制、桌面共享和文件传输的软件。 TeamViewer 中存在缓冲区错误漏洞。该漏洞源于攻击者可以使用TeamViewer的多个漏洞。

AI Predicted 6.9 Difficulty: Easy EPSS 8.95% · P95
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I. Basic Information for CVE-2021-34859

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Teamviewer TeamViewer 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Teamviewer TeamViewer是德国TeamViewer（Teamviewer）公司的一套用于远程控制、桌面共享和文件传输的软件。 TeamViewer 中存在缓冲区错误漏洞。该漏洞源于攻击者可以使用TeamViewer的多个漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TeamViewer TeamViewer 15.16.8.0 -

II. Public POCs for CVE-2021-34859

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III. Intelligence Information for CVE-2021-34859

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Vendor Advisories for CVE-2021-34859 (1)

Other References for CVE-2021-34859 (1)

IV. Related Vulnerabilities

Same product: TeamViewer
Same vendor: TeamViewer
Same weakness: CWE-119

V. Comments for CVE-2021-34859

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