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."
Published 2015-06-24 14:59:01
Updated 2019-04-22 17:48:01
Source MITRE
View at NVD,   CVE.org

Threat overview for CVE-2015-3900

Top countries where our scanners detected CVE-2015-3900
Top open port discovered on systems with this issue 53
IPs affected by CVE-2015-3900 139,149
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2015-3900!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2015-3900

0.85%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 80 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2015-3900

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:P/A:N
10.0
2.9
NIST

CWE ids for CVE-2015-3900

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2015-3900

Products affected by CVE-2015-3900

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