Path Traversal in Repetier-Server

CVE-2019-14450

A directory traversal vulnerability was discovered in RepetierServer.exe in Repetier-Server 0.8 through 0.91 that allows for the creation of a user controlled XML file at an unintended location. When this is combined with CVE-2019-14451, 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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.104 (95.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-14450?
CVE-2019-14450 is a critical-severity vulnerability in Repetier-Server, classified under Path Traversal. CVSS score: 9.8/10. Published 2019-10-28.
How severe is CVE-2019-14450?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-14450 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.