CVE-2020-8161

Advisory lineage Upstream: 0 Downstream: 11
Modified
Published: 02 Jul 2020, 00:00
Last modified:04 Aug 2024, 09:48

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
8.6 HIGH
v3.1 (nvd)
EPSS Score
0.91% LOW
1% probability +0.43%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

02 Jul 2020, 00:00
Published
Vulnerability first disclosed
04 Aug 2024, 09:48
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 0.91%• Percentile: 76%

Techniques & Countermeasures

  • CWE-22•Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

    The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

  • CWE-548•Exposure of Information Through Directory Listing

    The product inappropriately exposes a directory listing with an index of all the resources located inside of the directory.

Affected Systems

  • canonical•ubuntu_linux

    18.04

  • debian•debian_linux

    9.0 | 10.0

  • rack_project•rack

    < 2.2.0

References (5)