CVE-2023-43795
CriticalExploitedWPS Server Side Request Forgery vulnerability
Published Oct 26, 2023 · Updated Sep 10, 2026 · Also known as GHSA-5pr3-m5hm-9956
Key Facts
Patch immediately- CVE-2023-43795 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Geoserver (Osgeo), org.geoserver.extension:gs-wps-core (maven).
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Jul 22, 2024. No public exploit code is known.
- EPSS estimates a 68% probability of exploitation in the next 30 days.
- Fixed versions are available, including org.geoserver.extension:gs-wps-core 2.22.5, org.geoserver.extension:gs-wps-core 2.23.2, Geoserver 2.22.5.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
68%
Higher than 99.3% of all scored CVEs
Exploited in the wild
Yes
2 catalog listings
Public exploit code
None known
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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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Jul 22, 2024 | n/a | Not reported |
| CIRCL KEV | Jul 22, 2024 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| GeoserverOsgeo | >= < 2.22.5 | 2.22.5 |
| org.geoserver.extension:gs-wps-coremaven | See advisory | 2.23.2 |
Patched Releases
org.geoserver.extension:gs-wps-core
2.22.5, 2.23.2
Geoserver
2.22.5
Timeline
Publicly disclosed
Oct 26, 2023
Added to Industry KEV feed
Jul 22, 2024
Added to CIRCL KEV
Jul 22, 2024
Last updated
Sep 10, 2026
Weakness Type
- CWE-918 Server-Side Request Forgery (SSRF)
References
- advisoryGHSA advisory
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2023/43xxx/CVE-2023-43795.json
- advisoryhttps://github.com/geoserver/geoserver/security/advisories/GHSA-5pr3-m5hm-9956
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2023-41339
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2023-43795
FAQ
Common Questions.
GeoServer is an open source software server written in Java that allows users to share and edit geospatial data.
Affected: Geoserver (Osgeo) versions >= < 2.22.5; org.geoserver.extension:gs-wps-core (maven). The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Jul 22, 2024.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including org.geoserver.extension:gs-wps-core 2.22.5, org.geoserver.extension:gs-wps-core 2.23.2, Geoserver 2.22.5.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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