CVE-2021-40822

Name: CVE-2021-40822
Creator: NVD / NIST
Published: 2022-05-02T00:15:08.113+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 18.93%

Last modified Jun 17, 2026

CVE-2021-40822 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. GeoServer through 2.18.5 and 2.19.x through 2.19.2 allows SSRF via the option for setting a proxy host.. EPSS estimates a 18.93% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

18.93%

96.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Osgeo	Geoserver	<= 2.18.5
Osgeo	Geoserver	>= 2.19.0, < 2.19.3

References

https://github.com/geoserver/geoserver/compare/2.19.2...2.19.3Patch, Release Notes, Third Party Advisory
https://github.com/geoserver/geoserver/releasesRelease Notes, Third Party Advisory
https://osgeo-org.atlassian.net/browse/GEOS-10229Issue Tracking, Vendor Advisory
https://osgeo-org.atlassian.net/browse/GEOS-10229?focusedCommentId=83508Issue Tracking, Vendor Advisory
https://github.com/geoserver/geoserver/compare/2.19.2...2.19.3Patch, Release Notes, Third Party Advisory
https://github.com/geoserver/geoserver/releasesRelease Notes, Third Party Advisory
https://osgeo-org.atlassian.net/browse/GEOS-10229Issue Tracking, Vendor Advisory
https://osgeo-org.atlassian.net/browse/GEOS-10229?focusedCommentId=83508Issue Tracking, Vendor Advisory

Timeline

Published: May 2, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40822?

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

How severe is CVE-2021-40822?

CVE-2021-40822 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 18.93% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40822?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-40822?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST