What’s Vulnerable › Vulnerabilities

CVE-2022-23242: TeamViewer Linux - Deletion command not properly executed after process crash

• Severity: medium (CVSS 4.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-03-23 · updated 2026-06-17
• Weakness: CWE-404

Description

TeamViewer Linux versions before 15.28 do not properly execute a deletion command for the connection password in case of a process crash. Knowledge of the crash event and the TeamViewer ID as well as either possession of the pre-crash connection password or local authenticated access to the machine would have allowed to establish a remote connection by reusing the not properly deleted connection password.

Affected products

• TeamViewer: before 15.28 — fixed in 15.28

How to fix

Upgrade to a fixed version: TeamViewer 15.28. Check the vendor advisory for mitigations.

References

• https://www.teamviewer.com/en/trust-center/security-bulletins/TV-2022-1001/
• https://www.teamviewer.com/en/trust-center/security-bulletins/TV-2022-1001/

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