CVE-2020-36939 — Vulnerability in cassandra-web — CVE Details
HIGH
Cassandra Web - Remote File Read
Published January 27, 2026Updated September 8, 2026Source: osv
Summary
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.
Advisory Timeline
- First published January 27, 2026 (258 days ago).
- Last revised September 8, 2026 — 224 days after initial publication.
Affected Packages (1)
Affects 1 ecosystem: rubygems (1).
| Package | Ecosystem | Affected | Fixed In |
|---|---|---|---|
| cassandra-web | rubygems | 0.1.0, 0.1.1, 0.2.0, 0.3.0 (+2 more) | Range-based data available |
Vulnerability Classification
Common Weakness Enumeration (CWE) identifiers for this vulnerability type.
- CWE-22Path TraversalMITRE
CVSS Score Breakdown
What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-36939ADVISORY
- https://github.com/avalanche123/cassandra-webPACKAGE
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/cassandra-web/CVE-2020-36939.ymlWEB
- https://rubygems.org/gems/cassandra-web/versions/0.5.0WEB
- https://www.exploit-db.com/exploits/49362WEB
- https://www.vulncheck.com/advisories/cassandra-web-remote-file-readWEB
Frequently Asked Questions
- What is CVE-2020-36939?
- Cassandra Web - Remote File Read This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
- How do I check if my project is affected by CVE-2020-36939?
- CVE-2020-36939 affects cassandra-web. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2020-36939 and 200,000+ other known vulnerabilities.
Severity & Exploitability
CVSS Score
7.5
High exploitability or significant impact. Prioritize remediation within days.
Also Known As
GHSA-8mfv-xhp5-48q9
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