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CVE-2023-35042

53
FAUCET Score

CVE-2023-35042 describes a critical remote code execution (RCE) vulnerability in GeoServer 2, specifically allowing attackers to execute arbitrary code via wps:LiteralData within a wps:Execute request in certain configurations. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While the vendor claims inability to reproduce it, the vulnerability was reportedly exploited in the wild in June 2023, though there is no public exploit code (Metasploit, Nuclei, ExploitDB) or significant community discussion/media coverage at this time.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.0CPE matchmatch criteria
cpe:2.3:a:geoserver:geoserver:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
43.23%
Probability of exploitation in next 30 days
EPSS Percentile
98.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.4324 is in the 96th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

mavenpatch availablevia ghsa
Product: org.geoserver:gs-wmsFixed in: 2.18.6
mavenpatch availablevia ghsa
Product: org.geoserver:gs-wfsFixed in: 2.18.6
mavenpatch availablevia ghsa
Product: org.geoserver:gs-wmsFixed in: 2.19.6
mavenpatch availablevia ghsa
Product: org.geoserver:gs-wfsFixed in: 2.19.6
mavenpatch availablevia ghsa
Product: org.geoserver:gs-wmsFixed in: 2.20.4
mavenpatch availablevia ghsa
Product: org.geoserver:gs-wfsFixed in: 2.20.4
mavenpatch availablevia ghsa
Product: org.geoserver:gs-wpsFixed in: 2.18.6
mavenpatch availablevia ghsa
Product: org.geoserver:gs-wpsFixed in: 2.19.6
mavenpatch availablevia ghsa
Product: org.geoserver:gs-wpsFixed in: 2.20.4

Vendor Advisories (1)

mavenGHSA-59x6-g4jr-4hxccritical

GeoServer RCE due to improper control of generation of code in jai-ext`Jiffle` map algebra language

Jun 12, 2023

References

docs.geoserver.org / stable/en/user/services/wps/operations.html
Product
isc.sans.edu / diary/29936
Third Party Advisory