{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ID": "CVE-2021-22958", "ASSIGNER": "support@hackerone.com", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "n/a", "product": { "product_data": [ { "product_name": "https://github.com/concrete5/concrete5", "version": { "version_data": [ { "version_value": "Fixed in 8.5.5" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Server-Side Request Forgery (SSRF) (CWE-918)" } ] } ] }, "references": { "reference_data": [ { "refsource": "MISC", "name": "https://hackerone.com/reports/863221", "url": "https://hackerone.com/reports/863221" }, { "refsource": "MISC", "name": "https://documentation.concretecms.org/developers/introduction/version-history/855-release-notes", "url": "https://documentation.concretecms.org/developers/introduction/version-history/855-release-notes" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "A Server-Side Request Forgery vulnerability was found in concrete5 < 8.5.5 that allowed a decimal notation encoded IP address to bypass the limitations in place for localhost allowing interaction with local services. Impact can vary depending on services exposed.CVSSv2.0 AV:A/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N" } ] } }