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.
Published 2019-11-26 05:15:14
Updated 2020-04-30 14:44:12
Source Red Hat, Inc.
View at NVD,   CVE.org

Products affected by CVE-2011-4121

Threat overview for CVE-2011-4121

Top countries where our scanners detected CVE-2011-4121
Top open port discovered on systems with this issue 80
IPs affected by CVE-2011-4121 729
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2011-4121!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2011-4121

EPSS FAQ
0.85%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 82 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-4121

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
 NIST
9.8
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
 NIST

CWE ids for CVE-2011-4121

  • The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-4121

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