Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2014-2734

18
FAUCET Score

CVE-2014-2734 describes a potential vulnerability in the openssl extension of Ruby 2.x, where improper memory state management after file re-opening could allow remote attackers to spoof signatures within Ruby scripts. This issue primarily affects ruby-lang ruby. The vulnerability has a CVSS score of 5.8, indicating a medium severity. It is a network-based attack with medium complexity, requiring no authentication, and could lead to partial confidentiality and integrity impacts. Despite the reported vulnerability, its existence has been disputed by the Ruby OpenSSL team and third parties, citing issues with the original proof-of-concept. There is no known active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.0CPE matchmatch criteria
cpe:2.3:a:ruby-lang:ruby:2.0:*:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:ruby-lang:ruby:2.0.0:*:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:ruby-lang:ruby:2.0.0:p0:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:ruby-lang:ruby:2.0.0:p195:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:ruby-lang:ruby:2.0.0:p247:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.35%
Probability of exploitation in next 30 days
EPSS Percentile
91.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0535 is in the 90th percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2014-2734Low

ruby: SSL signature spoofing flaw

Apr 10, 2014

References

packetstormsecurity.com / files/126218/Ruby-OpenSSL-Private-Key-Spoofing.html
Exploit
seclists.org / fulldisclosure/2014/Apr/231
Exploit
seclists.org / fulldisclosure/2014/May/13
gist.github.com / 10446549
gist.github.com / emboss/91696b56cd227c8a0c13
github.com / adrienthebo/cve-2014-2734
news.ycombinator.com / item
ruby-lang.org / en/news/2014/05/09/dispute-of-vulnerability-cve-2014-2734
osvdb.org / 106006
securityfocus.com / bid/66956