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CVE-2020-36939

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Date: January 27, 2026

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.

Severity Score

Related Resources (6)

https://www.vulncheck.com/advisories/cassandra-web-remote-file-read
https://github.com/avalanche123/cassandra-web
https://nvd.nist.gov/vuln/detail/CVE-2020-36939
https://rubygems.org/gems/cassandra-web/versions/0.5.0
https://www.exploit-db.com/exploits/49362
https://www.mend.io/vulnerability-database/CVE-2020-36939

Severity Score

Weakness Type (CWE)

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

CWE-22

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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