{ "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2020-5221", "STATE": "PUBLIC", "TITLE": "Directory Traversal (Chroot Escape) vulnerability in uftpd" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "uftpd", "version": { "version_data": [ { "version_value": "< 2.11" } ] } } ] }, "vendor_name": "troglobit" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "In uftpd before 2.11, it is possible for an unauthenticated user to perform a directory traversal attack using multiple different FTP commands and read and write to arbitrary locations on the filesystem due to the lack of a well-written chroot jail in compose_abspath(). This has been fixed in version 2.11" } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/troglobit/uftpd/security/advisories/GHSA-wmx8-v7mx-6x9h", "refsource": "CONFIRM", "url": "https://github.com/troglobit/uftpd/security/advisories/GHSA-wmx8-v7mx-6x9h" }, { "name": "https://github.com/troglobit/uftpd/commit/455b47d3756aed162d2d0ef7f40b549f3b5b30fe", "refsource": "MISC", "url": "https://github.com/troglobit/uftpd/commit/455b47d3756aed162d2d0ef7f40b549f3b5b30fe" } ] }, "source": { "advisory": "GHSA-wmx8-v7mx-6x9h", "discovery": "UNKNOWN" } }