What is CVE-2019-5748?

CVE-2019-5748 is a critical-severity vulnerability in Traccar Server, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2019-01-09.

How severe is CVE-2019-5748?

Critical severity. CVSS v3 base score is 9.8 out of 10.

XXE in Traccar Server

CVE-2019-5748

In Traccar Server version 4.2, protocol/SpotProtocolDecoder.java might allow XXE attacks.

Vulnerability class: XXE (XML External Entity)

Published 2019-01-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.017 (76.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Traccar Server — versions 4.2

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

github.com/traccar/traccar/commit/d7f6c53fd88635885914013649b6807ec53227bf (Patch, Third Party Advisory)
www.traccar.org/blog/ (Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2019-5748?: CVE-2019-5748 is a critical-severity vulnerability in Traccar Server, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2019-01-09.
How severe is CVE-2019-5748?: Critical severity. CVSS v3 base score is 9.8 out of 10.