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Vulnerability details: VCID-fx2c-u8eb-dufe
Vulnerability ID VCID-fx2c-u8eb-dufe
Aliases CVE-2012-2125
GHSA-228f-g3h7-3fj3
OSV-85809
Summary HTTP Request Smuggling RubyGems can redirect HTTPS connections to HTTP, which makes it easier for remote attackers to observe or modify a gem during installation via a man-in-the-middle attack.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-1203.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-1441.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-1852.html
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
epss 0.00638 https://api.first.org/data/v1/epss?cve=CVE-2012-2125
generic_textual MODERATE https://bugzilla.redhat.com/show_bug.cgi?id=814718
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-228f-g3h7-3fj3
generic_textual MODERATE https://github.com/rubygems/rubygems
generic_textual MODERATE https://github.com/rubygems/rubygems/blob/1.8/History.txt
generic_textual MODERATE https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rubygems-update/CVE-2012-2125.yml
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2012-2125
generic_textual MODERATE http://www.openwall.com/lists/oss-security/2012/04/20/24
generic_textual MODERATE http://www.ubuntu.com/usn/USN-1582-1
Reference id Reference type URL
http://rhn.redhat.com/errata/RHSA-2013-1203.html
http://rhn.redhat.com/errata/RHSA-2013-1441.html
http://rhn.redhat.com/errata/RHSA-2013-1852.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2012-2125.json
https://api.first.org/data/v1/epss?cve=CVE-2012-2125
https://bugzilla.redhat.com/show_bug.cgi?id=814718
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2125
http://secunia.com/advisories/55381
https://github.com/rubygems/rubygems
https://github.com/rubygems/rubygems/blob/1.8/History.txt
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rubygems-update/CVE-2012-2125.yml
http://www.openwall.com/lists/oss-security/2012/04/20/24
http://www.ubuntu.com/usn/USN-1582-1
http://www.ubuntu.com/usn/USN-1582-1/
670228 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670228
CVE-2012-2125 https://nvd.nist.gov/vuln/detail/CVE-2012-2125
GHSA-228f-g3h7-3fj3 https://github.com/advisories/GHSA-228f-g3h7-3fj3
RHSA-2013:1203 https://access.redhat.com/errata/RHSA-2013:1203
RHSA-2013:1441 https://access.redhat.com/errata/RHSA-2013:1441
RHSA-2013:1852 https://access.redhat.com/errata/RHSA-2013:1852
USN-1582-1 https://usn.ubuntu.com/1582-1/
USN-1583-1 https://usn.ubuntu.com/1583-1/
No exploits are available.
Exploit Prediction Scoring System (EPSS)
Percentile 0.70439
EPSS Score 0.00638
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:46:50.394311+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/rubygems-update/CVE-2012-2125.yml 38.0.0