THREATPORT/VULNERABILITY/CVE-2020-36327
HIGH SEVERITY

CVE-2020-36327

Bundler vulnerability

CVSS
8.8
EPSS
6.3%
EPSS pct
93th
Exploited
No known
Bundler 1.16.0 through 2.2.9 and 2.2.11 through 2.2.16 sometimes chooses a dependency source based on the highest gem version number, which means that a rogue gem found at a public source may be chosen, even if the intended choice was a private gem that is a dependency of another private gem that is explicitly depended on by the application. NOTE: it is not correct to use CVE-2021-24105 for every "Dependency Confusion" issue in every product.
Affected vendor
Bundler
Affected product
Bundler
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2021-04-29

Risk analysis

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

Its EPSS score of 6.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2020-36327

  • Confirm whether Bundler Bundler is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-36327.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-36327

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-36327 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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