What’s Vulnerable › Vulnerabilities

CVE-2020-36939: Cassandra Web 0.5.0 - Remote File Read

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-27 · updated 2026-10-08
• Weakness: CWE-22

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.

Affected products

• avalanche123 Cassandra Web: 0.5.0

References

• https://github.com/avalanche123/cassandra-web
• https://rubygems.org/gems/cassandra-web/versions/0.5.0
• https://www.exploit-db.com/exploits/49362
• https://www.vulncheck.com/advisories/cassandra-web-remote-file-read

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