What is CVE-2018-20222?

CVE-2018-20222 is a critical-severity vulnerability in Airsonic Project, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2019-04-04.

How severe is CVE-2018-20222?

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

XXE in Airsonic Project

CVE-2018-20222

XXE issue in Airsonic before 10.1.2 during parse.

Vulnerability class: XXE (XML External Entity)

Published 2019-04-04 · 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 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 77th 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

Airsonic Project

Weakness classification (CWE)

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

References

github.com/airsonic/airsonic/blob/master/CHANGELOG.md (Third Party Advisory, Release Notes)
github.com/airsonic/airsonic/releases/tag/v10.2.1 (Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2018-20222?: CVE-2018-20222 is a critical-severity vulnerability in Airsonic Project, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2019-04-04.
How severe is CVE-2018-20222?: Critical severity. CVSS v3 base score is 9.8 out of 10.