CVE-2020-36939 json
Cassandra Web 0.5.0 - Remote File Read
published 2026-01-27 9 mo ago modified 2026-10-08 31 d ago also GHSA-8mfv-xhp5-48q9 , EUVD-2020-30857
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.0%
- EPSS 3.0% chance of exploitation in 30 days, percentile 87%
- public exploits
- 1
- Metasploit
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.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 9 mo ago
Exploit prediction
2.98% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit auxiliary/scanner/http/cassandra_web_file_read Cassandra Web File Read Vulnerability metasploit auxiliary, normal rank
- exploit-db.com https://www.exploit-db.com/exploits/49362 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.7 | 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 |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 4.0 | 8.7 | 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/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 |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| rubygems | cassandra-web | <=0.5.0 |
no fix listed |
Affected products
- avalanche123 Cassandra Web
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
exploit-db.com
/exploits/49362
exploit, web
-
github.com
/avalanche123/cassandra-web
product, package
-
rubygems.org
/gems/cassandra-web/versions/0.5.0
product, web
-
vulncheck.com
/advisories/cassandra-web-remote-file-read
third-party-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2020-36939
advisory
-
github.com
/rubysec/ruby-advisory-db/blob/master/gems/cassandra-web/CVE-2020-36939.yml
web
Sources
- CVE List CVE-2020-36939
- GitHub Advisory GHSA-8mfv-xhp5-48q9
- NVD CVE-2020-36939
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