CVE-2012-2126
MEDIUM · CVSS 4.3EPSS 1.4%EU EUVD
RubyGems before 1.8.23 does not verify an SSL certificate, which allows remote attackers to modify a gem during installation via a man-in-the-middle attack.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N- Weakness (CWE)
- CWE-310
- EPSS score
- 1.4% (72th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2022-2619)
- Published
- October 1, 2013
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2022-2619 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- canonical / ubuntu linux
- redhat / openshift
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
- rubygems / rubygems
References
- 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
- http://secunia.com/advisories/55381
- http://www.openwall.com/lists/oss-security/2012/04/20/24
- http://www.ubuntu.com/usn/USN-1582-1/
- https://bugzilla.redhat.com/show_bug.cgi?id=814718
- https://github.com/rubygems/rubygems/blob/1.8/History.txt(Patch, Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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