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CVE-2022-50899

Geonetwork 4.2.0 - XML External Entity (XXE)

Published: Jan 13, 2026Updated: Feb 27, 2026 Sources: CVE List NVDCWE-611
6.5MEDIUM
NVD MITRE
EPSS Score
0.5%
Top 62.1%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available
Self-Check
Not available

Description

Geonetwork 3.10 through 4.2.0 contains an XML external entity vulnerability in PDF rendering that allows attackers to retrieve arbitrary files from the server. Attackers can exploit the insecure XML parser by crafting a malicious XML document with external entity references to read system files through the baseURL parameter in PDF creation requests.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-611

Affected Products

GeoNetwork
oss-project
GeoNetworkOn-prem
Web & CMS Plugins / cms-core
osgeo
oss-projectaka mapserver, gdal, geoserver
geonetworkMixed
OSS Libraries / generic-library

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Collection
Initial Access
View detailed technique mapping

References

https://www.exploit-db.com/exploits/50982
exploit-db.com
https://geonetwork-opensource.org/
geonetwork-opensource.org
https://www.vulncheck.com/advisories/geonetwork-xml-external-entity-xxe
vulncheck.com

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