Back
CVE-2012-2125
RubyGems before 1.8.23 can redirect HTTPS connections to HTTP, which makes it easier for remote attackers to observe or modify a gem…
Medium5.8EPSS 2.5%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
RubyGems before 1.8.23 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.
Timeline
ID reserved
By redhat
- 18 months later
· 18 months later
Published
- 11 years later
· 11 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
- EPSS (exploitation in 30 days)
- 2.5% · top 15% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.8.
Weakness
- n/a
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- RubyGemsrubygems-updateGHSA-228f-g3h7-3fj3 (opens in a new tab)
References (8)
- 55381 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- USN-1582-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://github.com/rubygems/rubygems/blob/1.8/History.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2013:1203 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=814718 (opens in a new tab)x_refsource_MISCx_transferred
- [oss-security] 20120420 Re: CVE Request -- rubygems: Two security fixes in upstream v1.8.23 version (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2013:1852 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2013:1441 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-228f-g3h7-3fj3 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2012-2125)Record last updated .