VULNERABILITY INTELLIGENCE

CVE-2017-0902

CVSS score8.1 HIGH
EPSS probability4.75%
CISA KEVNot currently listed
Published2017-08-31
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls.

Weakness classification

  • CWE-346: Origin Validation Error
  • CWE-350: Reliance on Reverse DNS Resolution for a Security-Critical Action

Primary references