CVE-2019-14451

Name: CVE-2019-14451
Creator: NVD / NIST
Published: 2019-10-25T17:15:10.837+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 4.45%

Last modified Jun 17, 2026

CVE-2019-14451 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. RepetierServer.exe in Repetier-Server 0.8 through 0.91 does not properly validate the XML data structure provided when uploading a new printer configuration. When this is combined with CVE-2019-14450, an attacker can upload an "external command" configuration as a printer configuration, and achieve remote code execution. EPSS estimates a 4.45% chance of exploitation in the next 30 days.

Description

RepetierServer.exe in Repetier-Server 0.8 through 0.91 does not properly validate the XML data structure provided when uploading a new printer configuration. When this is combined with CVE-2019-14450, an attacker can upload an "external command" configuration as a printer configuration, and achieve remote code execution. After exploitation, loading of the external command configuration is dependent on a system reboot or service restart.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

4.45%

90.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Repetier-Server	Repetier-Server	>= 0.80, <= 0.91

References

https://www.repetier-server.com/knowledgebase/security-advisory/Vendor Advisory
https://www.repetier-server.com/manuals/0.91/index.htmlVendor Advisory
https://www.repetier-server.com/knowledgebase/security-advisory/Vendor Advisory
https://www.repetier-server.com/manuals/0.91/index.htmlVendor Advisory

Timeline

Published: Oct 25, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-14451?

How severe is CVE-2019-14451?

CVE-2019-14451 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.45% probability of exploitation in the next 30 days.

How do I fix CVE-2019-14451?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-14451?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST