THREATPORT/VULNERABILITY/CVE-2020-14001
CRITICAL SEVERITY

CVE-2020-14001

Kramdown vulnerability

CVSS
9.8
EPSS
4.6%
EPSS pct
91th
Exploited
No known
The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access (such as template="/etc/passwd") or unintended embedded Ruby code execution (such as a string that begins with template="string://<%= `). NOTE: kramdown is used in Jekyll, GitLab Pages, GitHub Pages, and Thredded Forum.
Affected vendor
Kramdown Project
Affected product
Kramdown
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2020-07-17

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, high impact to integrity, high impact to availability.

Its EPSS score of 4.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2020-14001

  • Confirm whether Kramdown Project Kramdown is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-14001.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-14001

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-14001 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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