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CVE-2019-19470

HighPublished

Unsafe usage of .NET deserialization in Named Pipe message processing allows privilege escalation to NT AUTHORITY\SYSTEM for a local attacker. Affected...

Published: Dec 30, 2019
Updated: Aug 5, 2024
Assigning CNA: mitre
Evidence observed: Aug 8, 2026

Primary CVSS

7.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

0.9%

Low · next 30 days

Percentile: 58.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

CVE-2019-19470-RedTeamRDPoC
CVE-2019-19470 exploit replication with source code, WinDbg commands, PEB modification, and decompilation examples for educational red team training.

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