PatchTheCVECVE-2019-19470: Unsafe usage of .NET deserialization in Named Pipe message processing allows privilege escalation to NT AUTHOR
CVE-2019-19470 is a high-severity flaw (CVSS 7.8) affecting tinywall. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.9% (top 40%) |
| CISA exploited list | No |
| Weakness | CWE-502 |
| Published | 2019-12-30 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2019-19470?
tinywall: upgrade to 2.1.13. Exact commands for each OS are on this page.
Is CVE-2019-19470 being exploited?
CVE-2019-19470 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2019-19470 affect?
CVE-2019-19470 affects tinywall. Severity is high (CVSS 7.8). 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.
How urgent is CVE-2019-19470?
Priority 42/100. High severity