THREATPORT/VULNERABILITY/CVE-2018-12120
HIGH SEVERITY

CVE-2018-12120

Node.Js vulnerability

CVSS
8.1
EPSS
4.3%
EPSS pct
90th
Exploited
No known
Node.js: All versions prior to Node.js 6.15.0: Debugger port 5858 listens on any interface by default: When the debugger is enabled with `node --debug` or `node debug`, it listens to port 5858 on all interfaces by default. This may allow remote computers to attach to the debug port and evaluate arbitrary JavaScript. The default interface is now localhost. It has always been possible to start the debugger on a specific interface, such as `node --debug=localhost`. The debugger was removed in Node.js 8 and replaced with the inspector, so no versions from 8 and later are vulnerable.
Affected vendor
Nodejs
Affected product
Node.Js
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-419
  • CWE-829 — Inclusion of Functionality from Untrusted Control Sphere
Published
2018-11-28

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high 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 4.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2018-12120

  • Confirm whether Nodejs Node.Js is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-12120.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-12120

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