CVE-2020-36939
Cassandra Web 0.5.0 - Remote File Read
CVSS v3
7.5
HIGH
EPSS Score
2.9 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
none
SSVC status
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.
Technical details
- Published
- 2026-01-27
- Last Modified
- 2026-04-14
Frequently asked questions
What is 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.
Is CVE-2020-36939 actively exploited?
Active exploitation of CVE-2020-36939 has not been confirmed. Its EPSS score was 2.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-36939?
CVE-2020-36939 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2020-36939 affecting your environment?
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