TeamViewer Desktop for Windows Vulnerability Allows Arbitrary Parameter Injection
CVE-2020-13699

8.8HIGH

Key Information:

Vendor

Teamviewer

Status
Teamviewer
Vendor
CVE Published:
29 July 2020

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 69%

What is CVE-2020-13699?

A vulnerability in TeamViewer Desktop for Windows allows attackers to launch the application with arbitrary parameters, potentially exploiting the application's handling of custom URI protocols. This weakness can enable the attacker to force a victim to send NTLM authentication requests, which could then be relayed or captured for offline password cracking. This issue has been addressed in several versions, with users advised to update to the latest versions to mitigate risk.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-13699
Created by Dilshan-Eranda

References

https://community.teamviewer.com/t5/Announcements/Stateme...
x_refsource_CONFIRM
https://jeffs.sh/CVEs/CVE-2020-13699.txt
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EPSS Score

69% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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