{"id":"CVE-2023-42439","aliases":["GHSA-pxg5-h34r-7q8p","PYSEC-2023-176"],"title":"GeoNode vulnerable to SSRF Bypass to return internal host data","summary":"GeoNode vulnerable to SSRF Bypass to return internal host data","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","vendor":"geonode","product":"geonode","ecosystem":"pip","affected":["geonode >= 3.2.0, < 4.1.3.post1"],"patched":["geonode 4.1.3.post1"],"published":"2023-09-20","updated":"2026-09-10","sourceUpdated":"2026-09-10T03:50:03.297287849Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-pxg5-h34r-7q8p","references":[{"url":"https://github.com/GeoNode/geonode/security/advisories/GHSA-pxg5-h34r-7q8p"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-42439"},{"url":"https://github.com/GeoNode/geonode/commit/79ac6e70419c2e0261548bed91c159b54ff35b8d"},{"url":"https://github.com/GeoNode/geonode"},{"url":"https://github.com/GeoNode/geonode/releases/tag/4.1.3"},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/geonode/PYSEC-2023-176.yaml"}],"tags":["osv","pip"],"epss":0.00962,"epssPercentile":0.60132,"ingestedAt":"2026-09-12T03:13:01.719Z","slug":"CVE-2023-42439","body":"## Overview\n\nA SSRF vulnerability exists, bypassing existing controls on the software. This can allow a user to request internal services for a full read SSRF, returning any data from the internal network.\n\nthe application is using a whitelist, but the whitelist can be bypassed with @ and encoded value of @ (%40) GET /proxy/?url=http://development.demo.geonode.org%40geoserver:8080/geoserver/web \nThis will trick the application that the first host is a whitelisted address, but the browser will use @ or %40 as a credential to the host geoserver on port 8080, this will return the data to that host on the response.\n\n![image](https://user-images.githubusercontent.com/35967437/264379628-8cecbc56-be6c-49dc-abe8-0baf8b8695cc.png)\n\n\n\n## Affected packages\n\n- `geonode >= 3.2.0, < 4.1.3.post1`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `geonode 4.1.3.post1`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}