CVE-2020-8161
HIGH8.6EPSS 0.91%Directory traversal in Rack::Directory app bundled with Rack
Published: 7/6/2020Modified: 4/28/2026
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 packages (5)
- Debian/ruby-rackfrom 0, < 2.1.1-5
- Debian/ruby-rackfrom 0, < 1.5.2-3+deb8u3
- Debian/ruby-rackfrom 0, < 1.6.4-4+deb9u2
- Debian/ruby-rackfrom 0, < 2.0.6-3+deb10u2
- RubyGems/rackfrom 0, < 2.1.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N |
References (10)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2020-8161
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2020-8161
- PATCHhttps://github.com/rack/rack
- WEBhttps://github.com/rack/rack/commit/dddb7ad18ed79ca6ab06ccc417a169fde451246e
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2020-8161.yml
- WEBhttps://groups.google.com/forum/#!topic/ruby-security-ann/T4ZIsfRf2eA
- WEBhttps://groups.google.com/g/rubyonrails-security/c/IOO1vNZTzPA
- WEBhttps://lists.debian.org/debian-lts-announce/2020/07/msg00006.html
- WEBhttps://lists.debian.org/debian-lts-announce/2023/01/msg00038.html
- WEBhttps://usn.ubuntu.com/4561-1