CVE-2020-36939

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.

CVSS v4.0

8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

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

EPSS

2.58% chance of exploitation in the next 30 days, 84th percentile

Published

2026-01-27

Updated

2026-04-07

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/49362

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/http/cassandra_web_file…

References

• CVE Record
• NVD entry

Related

• CVE-2020-36938
• CVE-2020-36940
• CVE-2020-36937
• CVE-2020-36941
• CVE-2020-36936
• CVE-2020-36942