CVE-2015-9096: ruby-lang ruby
Vulnerability summary
CVE-2015-9096 is a medium (CVSS 6.1) vulnerability in ruby-lang ruby. EPSS estimates a 3.69% chance of exploitation in the next 30 days, higher than 89.7% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 6.1, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 8 · Related 2Timeline
- 12-06-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.1MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
3.69%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
Decrease -0.03 pp
From 3.72% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (mbsd.jp)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu3 products
- ruby1.9.1< 1.9.3.484-2ubuntu1.3
- ruby2.0< 2.0.0.484-1ubuntu2.4
- ruby2.3< 2.3.1-2~16.04.2
Ruby-lang1 product
- ruby≤ 2.4.0
2 vendors · 4 products
References
9 links
- github.com/ruby/ruby/commit/0827a7e52ba3d957a634b063bf5a391239b9ffeeX Refsource MISCPatchThird Party Advisory