VULNERABILITY INTELLIGENCE

CVE-2017-0903

CVSS score9.8 CRITICAL
EPSS probability15.85%
CISA KEVNot currently listed
Published2017-10-11
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

RubyGems versions between 2.0.0 and 2.6.13 are vulnerable to a possible remote code execution vulnerability. YAML deserialization of gem specifications can bypass class white lists. Specially crafted serialized objects can possibly be used to escalate to remote code execution.

Weakness classification

  • CWE-502: Deserialization of Untrusted Data

Primary references