CVE-2009-4123
jruby-openssl gem for JRuby fails to do proper certificate validation
7.5
HIGH
CVSS 3.1
EPSS 0.60%
Description
A security problem involving peer certificate verification was found where failed verification silently did nothing, making affected applications vulnerable to attackers. Attackers could lead a client application to believe that a secure connection to a rogue SSL server is legitimate. Attackers could also penetrate client-validated SSL server applications with a dummy certificate.
How to fix CVE-2009-4123
To remediate CVE-2009-4123, upgrade the affected package to a fixed version below.
- —upgrade to 0.6 or later
Is CVE-2009-4123 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |