{"schema":"threatline.record/2","record":{"id":"CVE-2021-41773","aliases":[],"summary":"Apache HTTP Server Path Traversal Vulnerability","details":"Apache HTTP Server contains a path traversal vulnerability that allows an attacker to perform remote code execution if files outside directories configured by Alias-like directives are not under default �require all denied� or if CGI scripts are enabled. The original patch issued under this CVE ID is insufficient, please review remediation information under CVE-2021-42013.","categories":["Web servers"],"product":"HTTP Server","vendor":"Apache","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2021-41773","source_modified_at":"2025-10-21T23:25:30.864Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Apache HTTP Server","vendor":"Apache Software Foundation","versions":[{"status":"affected","version":"Apache HTTP Server 2.4 2.4.49"}],"defaultStatus":null}],"fixed_versions":[],"cvss":7.5,"severity":"High","kev":{"listed":true,"date_added":"2021-11-03","due_date":"2021-11-17","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Known"},"epss":{"probability":0.99992,"percentile":0.99986,"score_date":"2026-10-23"},"published_at":"2021-10-05T08:40:12.000Z","modified_at":"2025-10-21T23:25:30.864Z","provenance":[{"source":"CISA 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