CVE-2023-40017Public exploitNetwork attack vector

Internal data access via proxy URL parsing

Published Aug 24, 2023 · Updated Oct 2, 2024

SSRF in the proxy endpoint in GeoSolutions GeoNode 3.2.0 through 4.1.2 allows remote attackers to read internal-host data via a URL. The /proxy/?url= handler validates a parsed hostname that crafted userinfo and fragment syntax can make differ from the leading destination actually requested. No authentication is required; successful requests support internal port scanning and return reachable internal content.

CVSS severity7.5
High
EPSS probability0.76%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SSRF in the proxy endpoint in GeoSolutions GeoNode 3.2.0 through 4.1.2 allows remote attackers to read internal-host data via a URL. The /proxy/?url= handler validates a parsed hostname that crafted userinfo and fragment syntax can make differ from the leading destination actually requested. No authentication is required; successful requests support internal port scanning and return reachable internal content.

The record

CVE
CVE-2023-40017
Published
Aug 24, 2023
Updated
Oct 2, 2024
Vendor
GeoSolutions
Product
GeoNode
Classifications
CWE-918, T1046
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 24, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=>= 3.2.0, <= 4.1.2
  2. Affected versionversion=3.2.0 <=4.1.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

GeoSolutions · GeoNodeversion=>= 3.2.0, <= 4.1.2; version=3.2.0 <=4.1.2

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
T1046Network Service Discovery

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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