CVE-2018-16550

9.8 criticalEPSS 3.6%

Critical (9.8) in teamviewer teamviewer. EPSS 3.6% chance of exploitation in the next 30 days.

TeamViewer 10.x through 13.x allows remote attackers to 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.

Severity

CVSS 3.0

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 3.6% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
Published: 2018-09-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

teamviewer:teamviewer

References

https://twitter.com/vah_13/status/1036894081350291457
https://twitter.com/vah_13/status/1036894081350291457

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