VULNERABILITY INTELLIGENCE

CVE-2015-9097

CVSS score6.1 MEDIUM
EPSS probability3.40%
CISA KEVNot currently listed
Published2017-06-12
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

The mail gem before 2.5.5 for Ruby (aka A Really Ruby Mail Library) 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.

Weakness classification

  • CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')

Primary references