CVE-2023-35042Geoserver Vulnerability
GeoServer RCE due to improper control of generation of code in jai-extJiffle map algebra language
Published Jun 12, 2023 · Updated Sep 10, 2026 · Also known as GHSA-59x6-g4jr-4hxc
Key Facts
Patch immediately- CVE-2023-35042 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Geoserver, org.geoserver:gs-wfs (maven), org.geoserver:gs-wms (maven) and 1 more product.
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Jun 12, 2023. No public exploit code is known.
- EPSS estimates a 45% probability of exploitation in the next 30 days.
- Fixed versions are available, including org.geoserver:gs-wfs 2.18.6, org.geoserver:gs-wfs 2.19.6, org.geoserver:gs-wfs 2.20.4.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
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)
45%
Higher than 98.7% of all scored CVEs
Exploit maturity
Exploited (KEV)
ATLAS score
58/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Jun 12, 2023
0 days after publication
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Exploited (KEV)
Public exploit code
0
Proof-of-concept links
In-the-wild evidence
2
Reports of active use
Advisories And Exploit References
- advisoryVulnCheck exploitation report
- advisoryGHSA advisory
- advisoryhttps://isc.sans.edu/diary/29936
Description
GeoServer 2, in some configurations, allows remote attackers to execute arbitrary code via java.lang.Runtime.getRuntime().exec in wps:LiteralData within a wps:Execute request, as exploited in the wild in June 2023. NOTE: the vendor states that they are unable to reproduce this in any version.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Jun 12, 2023 | n/a | Not reported |
| Industry KEV feed | Jun 12, 2023 | n/a | Not reported |
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| GeoserverGeoserver | See advisory | n/a |
| org.geoserver:gs-wfsmaven | See advisory | 2.20.4 |
| org.geoserver:gs-wmsmaven | See advisory | 2.20.4 |
| org.geoserver:gs-wpsmaven | See advisory | 2.20.4 |
Patched Releases
org.geoserver:gs-wfs
2.18.6, 2.19.6, 2.20.4
org.geoserver:gs-wms
2.18.6, 2.19.6, 2.20.4
org.geoserver:gs-wps
2.18.6, 2.19.6, 2.20.4
Timeline
Publicly disclosed
Jun 12, 2023
Added to CIRCL KEV
Jun 12, 2023
Added to Industry KEV feed
Jun 12, 2023
Last updated
Sep 10, 2026
References
- advisoryVulnCheck exploitation report
- advisoryGHSA advisory
- advisoryisc.sans.edu · 29936
- exploitVulnCheck exploitation report
- articlegeoserver.org · geoserver-2-jiffle-jndi-rce.html
FAQ
Common Questions.
GeoServer 2, in some configurations, allows remote attackers to execute arbitrary code via java.lang.Runtime.getRuntime().exec in wps:LiteralData within a wps:Execute request, as exploited in the wild in June 2023.
Affected: Geoserver; org.geoserver:gs-wfs (maven); org.geoserver:gs-wms (maven), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Jun 12, 2023.
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:gs-wfs 2.18.6, org.geoserver:gs-wfs 2.19.6, org.geoserver:gs-wfs 2.20.4.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2023-35042 On Your Attack Surface?
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