CVE-2012-2125

Name: CVE-2012-2125
Creator: NVD / NIST
Published: 2013-10-01T17:55:03.257+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.46%

Last modified Jun 16, 2026

CVE-2012-2125 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.46% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.46%

82.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Rubygems	Rubygems	<= 1.8.22
Rubygems	Rubygems	1.8.0
Rubygems	Rubygems	1.8.1
Rubygems	Rubygems	1.8.2
Rubygems	Rubygems	1.8.3
Rubygems	Rubygems	1.8.4
Rubygems	Rubygems	1.8.5
Rubygems	Rubygems	1.8.6
Rubygems	Rubygems	1.8.7
Rubygems	Rubygems	1.8.8
Rubygems	Rubygems	1.8.9
Rubygems	Rubygems	1.8.10
Rubygems	Rubygems	1.8.11
Rubygems	Rubygems	1.8.12
Rubygems	Rubygems	1.8.13
Rubygems	Rubygems	1.8.14
Rubygems	Rubygems	1.8.15
Rubygems	Rubygems	1.8.16
Rubygems	Rubygems	1.8.17
Rubygems	Rubygems	1.8.18
Rubygems	Rubygems	1.8.19
Rubygems	Rubygems	1.8.20
Rubygems	Rubygems	1.8.21

References

Timeline

Published: Oct 1, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is 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 during installation via a man-in-the-middle attack.

How severe is CVE-2012-2125?

Severity scoring for CVE-2012-2125 is pending analysis. The EPSS model estimates a 2.46% probability of exploitation in the next 30 days.

How do I fix CVE-2012-2125?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-2125?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST