4.3

CVE-2012-2126: rubygems Cryptographic Issues

CVSS: 4.3v2.0MediumModified
AliasesUBUNTU-CVE-2012-2126DEBIAN-CVE-2012-2126GHSA-5mgj-mvv8-46mw
Published 01-10-2013Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2012-2126 is a medium (CVSS 4.3) Cryptographic Issues vulnerability in rubygems. EPSS estimates a 1.36% chance of exploitation in the next 30 days, higher than 71.3% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
1.36%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3
RHSA-2013:1203RHSA-2013:1441RHSA-2013:1852

Timeline

  1. 01-10-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.36%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

-0.01 pp

From 1.37% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

RubyGems2 products
  • rubygems-update< 1.8.23
  • rubygems≤ 1.8.22 | 1.8.0 | 1.8.1 | 1.8.2 | 1.8.3 | 1.8.4 | 1.8.5 | 1.8.6 | 1.8.7 | 1.8.8 | 1.8.9 | 1.8.10 | 1.8.11 | 1.8.12 | 1.8.13 | 1.8.14 | 1.8.15 | 1.8.16 | 1.8.17 | 1.8.18 | 1.8.19 | 1.8.20 | 1.8.21
Debian1 product
  • rubygems< 1.8.24-1
Ubuntu1 product
  • jrubyAll versions (No fix recorded)

3 vendors · 4 products

References

20 links
Show all 20 references