CVE-2020-36939 | THREATINT

Description

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 sensitive system files like /etc/passwd and retrieve Apache Cassandra database credentials.

PUBLISHED Reserved 2026-01-25 | Published 2026-01-27 | Updated 2026-01-27 | Assigner VulnCheck

HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Problem types

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Product status

0.5.0

affected

Credits

Jeremy Brown finder

References

www.exploit-db.com/exploits/49362 (ExploitDB-49362) exploit

github.com/avalanche123/cassandra-web (Cassandra Web GitHub Repository) product

rubygems.org/gems/cassandra-web/versions/0.5.0 (Cassandra Web RubyGems Package) product

www.vulncheck.com/advisories/cassandra-web-remote-file-read (VulnCheck Advisory: Cassandra Web 0.5.0 - Remote File Read) third-party-advisory

cve.org (CVE-2020-36939)

nvd.nist.gov (CVE-2020-36939)

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