{"id":"CVE-2020-8639","details":"An unrestricted file upload vulnerability in keywordsImport.php in TestLink 1.9.20 allows remote attackers to execute arbitrary code by uploading a file with an executable extension. This allows an authenticated attacker to upload a malicious file (containing PHP code to execute operating system commands) to a publicly accessible directory of the application.","modified":"2026-04-11T23:13:15.687090Z","published":"2020-04-03T19:15:13.593Z","references":[{"type":"FIX","url":"https://ackcent.com/blog/testlink-1.9.20-unrestricted-file-upload-and-sql-injection/"},{"type":"FIX","url":"https://github.com/TestLinkOpenSourceTRMS/testlink-code/commit/57d81ae350d569c5c95087997fe051c49e14516d"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/161401/TestLink-1.9.20-Shell-Upload.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/TestLinkOpenSourceTRMS/testlink-code","events":[{"introduced":"0"},{"last_affected":"2f6a6f4dd0cd500258f0f4ddf0eeb3fd93714433"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"1.9.20"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:testlink:testlink:1.9.20:*:*:*:*:*:*:*"}}],"versions":["1.9.10","1.9.11","1.9.12","1.9.13","1.9.14","1.9.15","1.9.16","1.9.17","1.9.18","1.9.19","1.9.20","1.9.4","1.9.5","1.9.6","1.9.7","1.9.8","1.9.9","DevBeforeSmartyWIthComposer","PRE-DB-CHANGES-1.9.18"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-8639.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/testlinkopensourcetrms/testlink-code","events":[{"introduced":"0"},{"fixed":"57d81ae350d569c5c95087997fe051c49e14516d"}],"database_specific":{"source":"REFERENCES"}}],"versions":["1.9.10","1.9.11","1.9.12","1.9.13","1.9.14","1.9.15","1.9.16","1.9.17","1.9.18","1.9.19","1.9.20","1.9.4","1.9.5","1.9.6","1.9.7","1.9.8","1.9.9","DevBeforeSmartyWIthComposer","PRE-DB-CHANGES-1.9.18"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-8639.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}