XXE in Checkstyle

CVE-2019-9658

Checkstyle before 8.18 loads external DTDs by default.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.037 (88.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-9658?
CVE-2019-9658 is a medium-severity vulnerability in Checkstyle, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 5.3/10. Published 2019-03-11.
How severe is CVE-2019-9658?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2019-9658 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.