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CVE-2012-2139

20
FAUCET Score

CVE-2012-2139 describes a directory traversal vulnerability in the Mail gem for Ruby, specifically within the file_delivery.rb component. This flaw allows remote attackers to read arbitrary files by injecting ".." sequences into the 'to' parameter. With a CVSS score of 5.0, this vulnerability is of medium severity, indicating a low attack complexity and potential for partial confidentiality impact without requiring authentication. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.4.3CPE matchmatch criteria
cpe:2.3:a:rubygems:mail_gem:*:*:*:*:*:*:*:*
2.3.2CPE matchmatch criteria
cpe:2.3:a:rubygems:mail_gem:2.3.2:*:*:*:*:*:*:*
2.3.3CPE matchmatch criteria
cpe:2.3:a:rubygems:mail_gem:2.3.3:*:*:*:*:*:*:*
2.4.1CPE matchmatch criteria
cpe:2.3:a:rubygems:mail_gem:2.4.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.92%
Probability of exploitation in next 30 days
EPSS Percentile
91.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0492 is in the 88th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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

Patch Available

Vendor Patches (15)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: converge-ui-devel-0:1.0.4-1.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: puppet-0:2.6.17-2.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-actionpack-1:3.0.10-10.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-activerecord-1:3.0.10-6.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-activesupport-1:3.0.10-4.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-chunky_png-0:1.2.0-3.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-mail-0:2.3.0-3.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-net-ldap-0:0.1.1-3.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-compass-0:0.11.5-2.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-compass-960-plugin-0:0.10.4-2.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-delayed_job-0:2.1.4-2.el6cf
View patch
redhatpatch availablevia redhat_api
Product: CloudForms for RHEL 6Fixed in: rubygem-ldap_fluff-0:0.1.3-1.el6_3
View patch
rubygemspatch availablevia ghsa
Product: mailFixed in: 2.4.4
redhatno patchvia redhat_api
Product: Red Hat Subscription Asset ManagerFixed in: rubygem-mail

Vendor Advisories (2)

rubygemsGHSA-cj92-c4fj-w9c5medium

Mail Gem Path Traversal vulnerability

Oct 24, 2017
redhatCVE-2012-2139Low

rubygem-mail: directory traversal

Mar 14, 2012

References

lists.fedoraproject.org / pipermail/package-announce/2012-May/080645.html
lists.fedoraproject.org / pipermail/package-announce/2012-May/080648.html
lists.fedoraproject.org / pipermail/package-announce/2012-May/080747.html
bugzilla.novell.com / show_bug.cgi
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/48970
Vendor Advisory
github.com / mikel/mail/commit/29aca25218e4c82991400eb9b0c933626aefc98f
ExploitPatch
openwall.com / lists/oss-security/2012/04/25/8
openwall.com / lists/oss-security/2012/04/26/1