CVE-2020-8161
HIGH
8.6
CVSS Score
Published: July 2, 2020 at 12:00 AM UTC
Updated: June 17, 2026 at 03:25 AM UTC
4 products affected across 4 vendorsDebian LinuxUbuntu LinuxRack
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Severity
HIGH8.6
Exploit prediction
EPSS 3%
Description
A directory traversal vulnerability exists in rack < 2.2.0 that allows an attacker perform directory traversal vulnerability in the Rack::Directory app that is bundled with Rack which could result in information disclosure.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%Debian Linux· Debiandrupal
95%v < 2.2.0
Affected range stops below 2.2.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (5)
Mailing ListPatchThird Party Advisory
Source: [email protected]
https://groups.google.com/g/rubyonrails-security/c/IOO1vNZTzPAPermissions RequiredThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/434404Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2020/07/msg00006.htmlMailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2023/01/msg00038.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-548CWE-22
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