CVE-2023-43795 WPS Server Side Request Forgery in GeoServer
Attackers can exploit Server Side Request Forgery in GeoServer's Web Processing Service to access internal resources or bypass security controls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-43795?
CVE-2023-43795 is a high-severity server-side request forgery vulnerability in geoserver, published on 24 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-918
Which versions are affected by CVE-2023-43795?
4 open source packages ship an affected version, including org.geoserver.extension:gs-wps-core. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.geoserver.extension:gs-wps-core Maven | All versions | 2.22.5 |
org.geoserver.extension:gs-wps-core Maven | All versions | 2.22.5 |
org.geoserver.extension:gs-wps-core Maven | From 2.23.0 | 2.23.2 |
org.geoserver.extension:gs-wps-core Maven | From 2.23.0 | 2.23.2 |
Products include Osgeo Geoserver.
How do I fix CVE-2023-43795?
Upgrade org.geoserver.extension:gs-wps-core to a fixed version for your release line: 2.22.5 or 2.23.2.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2023-43795 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-43795 exists.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in geoserver
- CVE-2023-25157 Unfiltered SQL Injection Vulnerabilities in Geoserver
- CVE-2024-34711 GeoServer has improper ENTITY_RESOLUTION_ALLOWLIST URI validation in XML Processing (SSRF)
- CVE-2023-41339 Unsecured WMS dynamic styling sld=<url> parameter affords blind unauthenticated SSRF in GeoServer
- CVE-2024-29198 GeoServer Vulnerable to Unauthenticated SSRF via TestWfsPost
- CVE-2025-30145 GeoServer has an Infinite Loop Vulnerability in Jiffle process
Sources
Also known as GHSA-5pr3-m5hm-9956.