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.

We have discovered 490,155 live websites that are affected by CVE-2011-4121.

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Affected Software

Product  OpenSSL
Category Web Server Extensions
Vulnerable Domains490,155 live websites (100% of OpenSSL install base)
Vulnerable Versions
  • from 0 through 2011
Vulnerable Versions Count73 versions ( 100% of all versions)



Details

  • Published - Nov 26, 2019
  • Updated - Aug 7, 2024

Website Distribution by Country

Number of websites using CVE-2011-4121
United States132,167 websites


Japan41,559 websites
Germany36,024 websites
Netherlands32,475 websites
France17,253 websites
Czech Republic16,740 websites
Korea, South14,973 websites
Russia14,209 websites
China14,103 websites

Website Distribution by TLD

Number of websites using CVE-2011-4121
.com181,409 websites
.nl24,640 websites
.org24,093 websites
.net22,332 websites
.de19,604 websites
.cz13,639 websites
.jp13,079 websites
.ru12,358 websites
.it10,205 websites
.edu9,158 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2011-4121

Top websites that are affected by CVE-2011-4121. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
*****.cz Czech Republic*,***
********.com United States*,***
***********.com United States*,***
***.***********.com United States*,***
****.com United States*,***
********.com United States*,***
*******.com United States*,***
****.*****.net Japan*,***
*.******.***.***.br Brazil*,***
****.org United States*,***
See full domain list

FAQ

A total of 490,155 websites have been identified as vulnerable to CVE-2011-4121, based on global website indexing conducted by WebTechSurvey.
The OpenSSL is affected by the CVE-2011-4121 vulnerability.
OpenSSL versions up to and including 2011 are vulnerable to CVE-2011-4121.