Directory traversal vulnerability in lib/mail/network/delivery_methods/file_delivery.rb in the Mail gem before 2.4.4 for Ruby allows remote attackers to read arbitrary files via a .. (dot dot) in the to parameter.
CVE-2012-2139
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 5%CVSS: —Exploit: NoneExposed: 0
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 91.2%
- KEV
- Not listed
Published
July 18, 2012
Last Modified
April 29, 2026
References (18)
- secalert@redhathttp://lists.fedoraproject.org/pipermail/package-announce/2012-May/080645.html
- secalert@redhathttp://lists.fedoraproject.org/pipermail/package-announce/2012-May/080648.html
- secalert@redhathttp://lists.fedoraproject.org/pipermail/package-announce/2012-May/080747.html
- secalert@redhathttp://secunia.com/advisories/48970
- secalert@redhathttp://www.openwall.com/lists/oss-security/2012/04/25/8
- secalert@redhathttp://www.openwall.com/lists/oss-security/2012/04/26/1
- secalert@redhathttps://bugzilla.novell.com/show_bug.cgi?id=759092
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=816352
- secalert@redhathttps://github.com/mikel/mail/commit/29aca25218e4c82991400eb9b0c933626aefc98f
- af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2012-May/080645.html
- af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2012-May/080648.html
- af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2012-May/080747.html
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/48970
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2012/04/25/8
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2012/04/26/1
Vendor Advisories for CVE-2012-2139(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Frequently asked(4)
What is CVE-2012-2139?
CVE-2012-2139 is a none vulnerability published on July 18, 2012. Directory traversal vulnerability in lib/mail/network/deliverymethods/filedelivery.rb in the Mail gem before 2.4.4 for Ruby allows remote attackers to read arbitrary files via a .. (dot dot) in the to parameter.
When was CVE-2012-2139 disclosed?
CVE-2012-2139 was first published in the National Vulnerability Database on July 18, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-2139 actively exploited?
CVE-2012-2139 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2012-2139?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-2139, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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