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TI-2021-17747 Aliases CVE-2021-40822GHSA-rr33-j5p5-ppf8

GeoServer through 2.18.5 and 2.19.x through 2.19.2 allows SSRF via the option for setting a proxy host.

Priority MEDIUM 51CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-918 and the CVSS impact.

Summary

GeoServer through 2.18.5 and 2.19.x through 2.19.2 allows SSRF via the option for setting a proxy host.

Why it matters now

EPSS 0.19259 97th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—org.geoserver:gs-main (Maven)up to 2.18.5—No fix listedGHSA-rr33-j5p5-ppf8
—org.geoserver:gs-main (Maven)2.19.0 – 2.19.2—No fix listedGHSA-rr33-j5p5-ppf8
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • org.geoserver:gs-main (Maven) Vendor— Affected up to 2.18.5 Fixed in — No fix listed GHSA-rr33-j5p5-ppf8
  • org.geoserver:gs-main (Maven) Vendor— Affected 2.19.0 – 2.19.2 Fixed in — No fix listed GHSA-rr33-j5p5-ppf8

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:osgeo:geoserver:*:*:*:*:*:*:*:*up to 2.18.5; 2.19.0 to before 2.19.3VulnerableOSGeo
  • cpe:2.3:a:osgeo:geoserver:*:*:*:*:*:*:*:* Versions up to 2.18.5; 2.19.0 to before 2.19.3 Vulnerable ·OSGeo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-40822
  2. 2026-10-03 Alias added: GHSA-rr33-j5p5-ppf8

References

Patch 1

Advisory 4

Other 1

  • TI-2023-10619 Unfiltered SQL Injection Vulnerabilities in Geoserver CVSS 3.1CRITICAL 9.8
  • TI-2023-23486 WPS Server Side Request Forgery in GeoServer CVSS 3.1CRITICAL 9.8
  • TI-2025-21556 GeoTools, GeoServer, and GeoNetwork XML External Entity (XXE) Processing Vulnerability in XSD schema handling CVSS 3.1CRITICAL 9.9
  • TI-2024-23300 Welcome and About GeoServer pages communicate version and revision information CVSS 3.1MEDIUM 5.3
  • TI-2024-23008 GeoServer has improper ENTITY_RESOLUTION_ALLOWLIST URI validation in XML Processing (SSRF) CVSS 3.1CRITICAL 9.3
  • TI-2023-21939 Unsecured WMS dynamic styling sld=<url> parameter affords blind unauthenticated SSRF in GeoServer CVSS 3.1HIGH 8.6
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences