CVE-2020-36939 HIGH

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

Vendor Avalanche123
Product Cassandra Web
Weakness CWE-22 · Path traversal
Published January 27, 2026
Last update April 7, 2026
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 27, 2026 CVE published
April 7, 2026 Record updated