{"schema_version":"1","data":[{"id":2983,"advisory_id":"9c6399b6-ddee-42cf-91a0-0362fe8c06cc","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-42013","source_published_at":"2021-11-03T00:00:00+00:00","published_at":"2026-10-24T21:27:05.693443+00:00","extraction_method":"structured","technologies":["core-kev","http-server"],"cve_ids":["CVE-2021-42013"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Apache HTTP Server Path Traversal Vulnerability","summary":"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. This CVE ID resolves an incomplete patch for CVE-2021-41773. CISA required action: Apply updates per vendor instructions.","evidence":"kev:CVE-2021-42013","products":[{"name":{"value":"HTTP Server","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2021-42013","aliases":["CVE-2021-42013"],"affected":[],"modified":"2021-11-03T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-22"],"cveID":"CVE-2021-42013","notes":"https://nvd.nist.gov/vuln/detail/CVE-2021-42013","dueDate":"2021-11-17","product":"HTTP Server","dateAdded":"2021-11-03","vendorProject":"Apache","requiredAction":"Apply updates per vendor instructions.","known_exploited":true,"shortDescription":"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. This CVE ID resolves an incomplete patch for CVE-2021-41773.","vulnerabilityName":"Apache HTTP Server Path Traversal Vulnerability","knownRansomwareCampaignUse":"Known"}},"related_cves":[{"value":"CVE-2021-42013","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}}],"next_after":2983,"next_before":2983}