What’s Vulnerable › Vulnerabilities

CVE-2019-19470

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-30 · updated 2026-06-17
• Weakness: CWE-502

Description

Unsafe usage of .NET deserialization in Named Pipe message processing allows privilege escalation to NT AUTHORITY\SYSTEM for a local attacker. Affected product is TinyWall, all versions up to and including 2.1.12. Fixed in version 2.1.13.

Affected products

• Tinywall: before 2.1.13 — fixed in 2.1.13

How to fix

Upgrade to a fixed version: Tinywall 2.1.13. Check the vendor advisory for mitigations.

References

• https://gist.github.com/pylorak/7df52c9325614676e07782dbe4e81582
• https://www.wilderssecurity.com/threads/beta-testing-tinywall.309739/page-62#post-2882843
• https://gist.github.com/pylorak/7df52c9325614676e07782dbe4e81582
• https://www.wilderssecurity.com/threads/beta-testing-tinywall.309739/page-62#post-2882843

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