{"id":"CVE-2020-36939","title":"Cassandra Web 0.5.0 contains a directory traversal vulnerability that allows unauthenticated attackers to read arbitrary files by manipulating path traversal parameters","summary":"Cassandra Web 0.5.0 contains a directory traversal vulnerability that allows unauthenticated attackers to read arbitrary files by manipulating path traversal parameters. Attackers can exploit the disabled Rack::Protection module to read …","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-22"],"vendor":"avalanche123","product":"Cassandra Web","affected":["cassandra_web 0.5.0"],"published":"2026-01-27","updated":"2026-10-08","sourceUpdated":"2026-10-08T16:16:43.670","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2020-36939","references":[{"url":"https://github.com/avalanche123/cassandra-web","label":"disclosure@vulncheck.com"},{"url":"https://rubygems.org/gems/cassandra-web/versions/0.5.0","label":"disclosure@vulncheck.com"},{"url":"https://www.exploit-db.com/exploits/49362","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/cassandra-web-remote-file-read","label":"disclosure@vulncheck.com"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36939"},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/cassandra-web/CVE-2020-36939.yml"},{"url":"https://github.com/advisories/GHSA-8mfv-xhp5-48q9"}],"tags":["nvd","cve.org","exploit-available","ghsa","rubygems"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-01-27T21:09:07.655383Z"},"epss":0.02977,"epssPercentile":0.87196,"exploits":{"metasploit":["auxiliary/scanner/http/cassandra_web_file_read"],"checkedAt":"2026-10-27T16:50:14.007Z"},"exploitAvailable":true,"aliases":["GHSA-8mfv-xhp5-48q9"],"ecosystem":"rubygems","ingestedAt":"2026-09-08T19:08:49.635Z","slug":"CVE-2020-36939","body":"## Overview\n\nCassandra Web 0.5.0 contains a directory traversal vulnerability that allows unauthenticated attackers to read arbitrary files by manipulating path traversal parameters. Attackers can exploit the disabled Rack::Protection module to read sensitive system files like /etc/passwd and retrieve Apache Cassandra database credentials.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2020-36939)\n\nAffected packages:\n\n- `cassandra-web <= 0.5.0`\n\nSource: https://github.com/advisories/GHSA-8mfv-xhp5-48q9","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":41.3,"likelihood":0.6,"exploitation":12,"ransomware":0},"changes":[]}