Description
Net::SMTP in Ruby before 2.4.0 is vulnerable to SMTP command injection via CRLF sequences in a RCPT TO or MAIL FROM command, as demonstrated by CRLF sequences immediately before and after a DATA substring.
References (6)
Scores
CVSS v3
6.1
EPSS
0.0159
EPSS Percentile
81.7%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-93
Status
published
Products (1)
ruby-lang/ruby
< 2.4.0
Published
Jun 12, 2017
Tracked Since
Feb 18, 2026