VULNERABILITY INTELLIGENCE

CVE-2015-3900

CVSS score5 MEDIUM
EPSS probability8.87%
CISA KEVNot currently listed
Published2015-06-24
Last modified2026-06-17
CVSS vectorAV:N/AC:L/Au:N/C:N/I:P/A:N

Description

RubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains via a crafted DNS SRV record, aka a "DNS hijack attack."

Primary references