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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2011-4121

The OpenSSL extension of Ruby (Git trunk) versions after 2011-09-01 up to 2011-11-03 always generated an exponent value of '1' to be used for private RSA key generation. A remote attacker could use this flaw to bypass or corrupt integrity of services, depending on strong private RSA keys generation mechanism.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 28.5%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
Products affected by CVE-2011-4121
  • Ruby-Lang » Ruby » Version: 1.8.7.334
    cpe:2.3:a:ruby-lang:ruby:1.8.7.334
  • Ruby-Lang » Ruby » Version: 1.8.7.352
    cpe:2.3:a:ruby-lang:ruby:1.8.7.352
  • Ruby-Lang » Ruby » Version: 1.8.7.357
    cpe:2.3:a:ruby-lang:ruby:1.8.7.357
  • Ruby-Lang » Ruby » Version: 1.8.7.358
    cpe:2.3:a:ruby-lang:ruby:1.8.7.358
  • Ruby-Lang » Ruby » Version: 1.8.7.369
    cpe:2.3:a:ruby-lang:ruby:1.8.7.369
  • Ruby-Lang » Ruby » Version: 1.8.7.370
    cpe:2.3:a:ruby-lang:ruby:1.8.7.370
  • Ruby-Lang » Ruby » Version: 1.8.7.371
    cpe:2.3:a:ruby-lang:ruby:1.8.7.371
  • Ruby-Lang » Ruby » Version: 1.8.7.373
    cpe:2.3:a:ruby-lang:ruby:1.8.7.373
  • Ruby-Lang » Ruby » Version: 1.8.7.374
    cpe:2.3:a:ruby-lang:ruby:1.8.7.374
  • Ruby-Lang » Ruby » Version: 1.9
    cpe:2.3:a:ruby-lang:ruby:1.9
  • Ruby-Lang » Ruby » Version: 1.9.0
    cpe:2.3:a:ruby-lang:ruby:1.9.0
  • Ruby-Lang » Ruby » Version: 1.9.0.0
    cpe:2.3:a:ruby-lang:ruby:1.9.0.0
  • Ruby-Lang » Ruby » Version: 1.9.0.1
    cpe:2.3:a:ruby-lang:ruby:1.9.0.1
  • Ruby-Lang » Ruby » Version: 1.9.0.2
    cpe:2.3:a:ruby-lang:ruby:1.9.0.2
  • Ruby-Lang » Ruby » Version: 1.9.0.3
    cpe:2.3:a:ruby-lang:ruby:1.9.0.3
  • Ruby-Lang » Ruby » Version: 1.9.0.4
    cpe:2.3:a:ruby-lang:ruby:1.9.0.4
  • Ruby-Lang » Ruby » Version: 1.9.0.5
    cpe:2.3:a:ruby-lang:ruby:1.9.0.5
  • Ruby-Lang » Ruby » Version: 1.9.1
    cpe:2.3:a:ruby-lang:ruby:1.9.1
  • Ruby-Lang » Ruby » Version: 1.9.1.0
    cpe:2.3:a:ruby-lang:ruby:1.9.1.0
  • Ruby-Lang » Ruby » Version: 1.9.1.126
    cpe:2.3:a:ruby-lang:ruby:1.9.1.126
  • Ruby-Lang » Ruby » Version: 1.9.1.127
    cpe:2.3:a:ruby-lang:ruby:1.9.1.127
  • Ruby-Lang » Ruby » Version: 1.9.1.128
    cpe:2.3:a:ruby-lang:ruby:1.9.1.128
  • Ruby-Lang » Ruby » Version: 1.9.1.129
    cpe:2.3:a:ruby-lang:ruby:1.9.1.129
  • Ruby-Lang » Ruby » Version: 1.9.1.243
    cpe:2.3:a:ruby-lang:ruby:1.9.1.243
  • Ruby-Lang » Ruby » Version: 1.9.1.376
    cpe:2.3:a:ruby-lang:ruby:1.9.1.376
  • Ruby-Lang » Ruby » Version: 1.9.1.378
    cpe:2.3:a:ruby-lang:ruby:1.9.1.378
  • Ruby-Lang » Ruby » Version: 1.9.1.429
    cpe:2.3:a:ruby-lang:ruby:1.9.1.429
  • Ruby-Lang » Ruby » Version: 1.9.1.430
    cpe:2.3:a:ruby-lang:ruby:1.9.1.430
  • Ruby-Lang » Ruby » Version: 1.9.1.431
    cpe:2.3:a:ruby-lang:ruby:1.9.1.431
  • Ruby-Lang » Ruby » Version: 1.9.2
    cpe:2.3:a:ruby-lang:ruby:1.9.2
  • Ruby-Lang » Ruby » Version: 1.9.2.0
    cpe:2.3:a:ruby-lang:ruby:1.9.2.0
  • Ruby-Lang » Ruby » Version: 1.9.2.136
    cpe:2.3:a:ruby-lang:ruby:1.9.2.136
  • Ruby-Lang » Ruby » Version: 1.9.2.180
    cpe:2.3:a:ruby-lang:ruby:1.9.2.180
  • Ruby-Lang » Ruby » Version: 1.9.2.290
    cpe:2.3:a:ruby-lang:ruby:1.9.2.290
  • Ruby-Lang » Ruby » Version: 1.9.2.318
    cpe:2.3:a:ruby-lang:ruby:1.9.2.318
  • Ruby-Lang » Ruby » Version: 1.9.2.320
    cpe:2.3:a:ruby-lang:ruby:1.9.2.320
  • Ruby-Lang » Ruby » Version: 1.9.2.381
    cpe:2.3:a:ruby-lang:ruby:1.9.2.381


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