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CVE-2015-9096
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…
Medium6.1EPSS 3.7%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 3.7% · top 10% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
Affected products
n/a
- affected n/a
References (6)
- DSA-3966 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://hackerone.com/reports/137631 (opens in a new tab)x_refsource_MISCx_transferred
- [debian-lts-announce] 20180714 [SECURITY] [DLA 1421-1] ruby2.1 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://github.com/rubysec/ruby-advisory-db/issues/215 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/ruby/ruby/commit/0827a7e52ba3d957a634b063bf5a391239b9ffee (opens in a new tab)x_refsource_MISCx_transferred
- http://www.mbsd.jp/Whitepaper/smtpi.pdf (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2015-9096)Record last updated .