Vulnerability in Openssl Extension Of Ruby (Git Trunk)
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…
EPSS: 0.025 (82.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Openssl Extension Of Ruby (Git Trunk) — versions versions after 2011-09-01 up to 2011-11-03
- Ruby-lang Ruby
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Mailing List, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2011-4121?
- CVE-2011-4121 is a critical-severity vulnerability in Openssl Extension Of Ruby (Git Trunk), classified under Inadequate Encryption Strength. CVSS score: 9.8/10. Published 2019-11-26.
- How severe is CVE-2011-4121?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2011-4121 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.