PatchTheCVECVE-2019-16110: The network protocol of Blade Shadow though 2.13.3 allows remote attackers to take control of a Shadow instanc
CVE-2019-16110 is a high-severity flaw (CVSS 8.1) affecting shadow. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The network protocol of Blade Shadow though 2.13.3 allows remote attackers to take control of a Shadow instance and execute arbitrary code by only knowing the victim's IP address, because packet data can be injected into the unencrypted UDP packet stream.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.1 (High) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.7% (top 23%) |
| CISA exploited list | No |
| Published | 2019-11-14 |
| 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-2019-16110?
shadow: upgrade to newer than 2.13.3. Exact commands for each OS are on this page.
Is CVE-2019-16110 being exploited?
CVE-2019-16110 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-2019-16110 affect?
CVE-2019-16110 affects shadow. Severity is high (CVSS 8.1). The network protocol of Blade Shadow though 2.13.3 allows remote attackers to take control of a Shadow instance and execute arbitrary code by only knowing the victim's IP address, because packet data can be injected into the unencrypted UDP
How urgent is CVE-2019-16110?
Priority 53/100. High severity; Remotely exploitable, no login, no user action
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