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Fencer Vulns
high 8.6

CVE-2023-43795 in the critical feed json

WPS Server Side Request Forgery in GeoServer

published 2023-10-24 3 y ago modified 2026-09-10 1 mo ago also GHSA-5pr3-m5hm-9956 , EUVD-2023-2659

cvss
8.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
69.0%
EPSS 69.0% chance of exploitation in 30 days, percentile 99.3%
public exploits
0
none known, plus a Nuclei check

Summary

GeoServer is an open source software server written in Java that allows users to share and edit geospatial data. The OGC Web Processing Service (WPS) specification is designed to process information from any server using GET and POST requests. This presents the opportunity for Server Side Request Forgery. This vulnerability has been patched in version 2.22.5 and 2.23.2.

Patch / fix

  • maven org.geoserver.extension:gs-wps-core 2.22.5, 2.23.2
  • osgeo geoserver 2.22.5, 2.23.2

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

69.03% chance of exploitation in the next 30 days, higher than 99.3% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template GeoServer WPS - Server Side Request Forgery nuclei detection template

CVSS scores

assigned by version score vector
CNA 3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Affected packages

ecosystem package affected fixed in
maven org.geoserver.extension:gs-wps-core
<2.22.5
>=2.23.0, <2.23.2
2.22.5
2.23.2

Affected products

  • geoserver geoserver

Classification

Weakness
  • CWE-918 Server-Side Request Forgery

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.