CVE-2021-40822 in the critical feed json
GeoServer allows SSRF via the option for setting a proxy host
published 2022-05-01 4 y ago modified 2026-06-17 4 mo ago also GHSA-rr33-j5p5-ppf8 , EUVD-2022-5222
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 19.3%
- EPSS 19.3% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
GeoServer through 2.18.5 and 2.19.x through 2.19.2 allows SSRF via the option for setting a proxy host.
Patch / fix
Exploit prediction
19.26% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Geoserver - Server-Side Request Forgery nuclei detection template
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.geoserver:gs-main | <=2.18.5 >=2.19.0, <=2.19.2 |
no fix listed |
Classification
- Weakness
-
- CWE-918 Server-Side Request Forgery
References
-
github.com
/geoserver/geoserver/compare/2.19.2...2.19.3
web, patch, release-notes, third-party-advisory
-
osgeo-org.atlassian.net
/browse/GEOS-10229
web, issue-tracking, vendor-advisory
-
osgeo-org.atlassian.net
/browse/GEOS-10229?focusedCommentId=83508
web, issue-tracking, vendor-advisory
-
github.com
/geoserver/geoserver/releases
web, release-notes, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-40822
advisory
-
github.com
/geoserver/geoserver
package
Sources
- CVE List CVE-2021-40822
- GitHub Advisory GHSA-rr33-j5p5-ppf8
- NVD CVE-2021-40822
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.