Improper control of interaction frequency in TeamViewer Remote Full Client for Windows - CVE-2018-16550

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Main Vulnerability Database Vulnerabilities #VU22562

Improper control of interaction frequency in TeamViewer Remote Full Client for Windows - CVE-2018-16550

Published: November 6, 2019 / Updated: November 7, 2019


Vulnerability identifier: #VU22562
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-16550
CWE-ID: CWE-799
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a brute-force attack on the target system.

The vulnerability exists due to the application does not implement sufficient measures to prevent multiple failed authentication attempts. A remote attacker can bypass the brute-force authentication protection mechanism by skipping the "Cancel" step, which makes it easier to determine the correct value of the default 4-digit PIN.



Affected software

TeamViewer Remote Full Client for Windows
VBASE Pro-RT/ Server-RT (Web Remote)
CX-Supervisor

How to mitigate CVE-2018-16550

 Note: This vulnerability affects TeamViewer versions 10.x through 13.x. Install updates from vendor's website.

VBASE Pro-RT/ Server-RT (Web Remote) - update to 11.7.0.2
CX-Supervisor - update to 3.5.1

External References

Related Security Bulletins