XXE in Geoserver
CVE-2025-30220
GeoServer is an open source server that allows users to share and edit geospatial data. GeoTools Schema class use of Eclipse XSD library to represent schema data structure is vulnerable to XML External Entity (XXE) exploit. This impacts wh…
Vulnerability class: XXE (XML External Entity)
EPSS: 0.139 (94.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L.
Affected products
- Geoserver — versions >= 2.27.0, < 2.27.1, >= 2.26.0, < 2.26.3, < 2.25.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/geoserver/geoserver/security/advisories/GHSA-jj54-8f66-c5pc (x_refsource_CONFIRM)
- https://github.com/geonetwork/core-geonetwork/security/advisories/GHSA-2p76-gc46-5fvc (x_refsource_MISC)
- https://github.com/geotools/geotools/security/advisories/GHSA-826p-4gcg-35vw (x_refsource_MISC)
- https://github.com/geonetwork/core-geonetwork/pull/8757 (x_refsource_MISC)
- https://github.com/geonetwork/core-geonetwork/pull/8803 (x_refsource_MISC)
- https://github.com/geonetwork/core-geonetwork/pull/8812 (x_refsource_MISC)
- https://docs.geoserver.org/latest/en/user/production/config.html#production-config-external-entities (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-30220?
- CVE-2025-30220 is a critical-severity vulnerability in Geoserver, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.9/10. Published 2025-06-10.
- How severe is CVE-2025-30220?
- Critical severity. CVSS v3 base score is 9.9 out of 10.
- Is CVE-2025-30220 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.