THREATPORT/VULNERABILITY/CVE-2020-8161
HIGH SEVERITY

CVE-2020-8161

Rack vulnerability

CVSS
8.6
EPSS
3.6%
EPSS pct
88th
Exploited
No known
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 vendor
Rack Project
Affected product
Rack
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Weakness type (CWE)
Published
2020-07-02

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 3.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2020-8161

  • Confirm whether Rack Project Rack is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-8161.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-8161

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-8161 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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