Is CVE-2014-0016 being actively exploited?

CVE-2014-0016 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-0016?

CVE-2014-0016 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2014-0016

MEDIUM · CVSS 4.3EPSS 2.2%EU EUVD

stunnel before 5.00, when using fork threading, does not properly update the state of the OpenSSL pseudo-random number generator (PRNG), which causes subsequent children with the same process ID to use the same entropy pool and allows remote attackers to obtain private keys for EC (ECDSA) or DSA certificates.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness (CWE): CWE-332
EPSS score: 2.2% (82th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-0117)
Published: March 24, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-0117 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

stunnel / stunnel
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and 63 more…

References

http://www.openwall.com/lists/oss-security/2014/03/05/1(Mailing List, Third Party Advisory)
http://www.securityfocus.com/bid/65964(Third Party Advisory, VDB Entry)
https://bugzilla.redhat.com/attachment.cgi?id=870826&action=diff(Patch)
https://bugzilla.redhat.com/show_bug.cgi?id=1072180(Issue Tracking, Third Party Advisory, VDB Entry)
https://www.stunnel.org/sdf_ChangeLog.html(Release Notes, Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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