What is CVE-2020-14940?

CVE-2020-14940 is a high-severity vulnerability in Herac Tuxguitar, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2020-06-23.

How severe is CVE-2020-14940?

High severity. CVSS v3 base score is 7.5 out of 10.

XXE in Herac Tuxguitar

CVE-2020-14940

An issue was discovered in io/gpx/GPXDocumentReader.java in TuxGuitar 1.5.4. It uses misconfigured XML parsers, leading to XXE while loading GP6 (.gpx) and GP7 (.gp) tablature files.

Vulnerability class: XXE (XML External Entity)

Published 2020-06-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.036 (89.1th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000

Affected products

Herac Tuxguitar — versions 1.5.4

Weakness classification (CWE)

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

References

sourceforge.net/p/tuxguitar/bugs/126/ (Exploit, Third Party Advisory)
logicaltrust.net/blog/2020/06/tuxguitar.html (Exploit, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2020-14940?: CVE-2020-14940 is a high-severity vulnerability in Herac Tuxguitar, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2020-06-23.
How severe is CVE-2020-14940?: High severity. CVSS v3 base score is 7.5 out of 10.