CVE-2014-3504

The (1) serf_ssl_cert_issuer, (2) serf_ssl_cert_subject, and (3) serf_ssl_cert_certificate functions in Serf 0.2.0 through 1.3.x before 1.3.7 does not properly handle a NUL byte in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.

Published: 2014-08-19 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2014-3504 is rated Moderate Risk (47.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.15%). Core evidence: EPSS rose +1.05% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-3504

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 2.10% 3.15% +1.05%
2 2025-12-28 3.07% 2.10% -0.97%
3 2025-12-27 3.07%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-3504

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.0 2.0 MEDIUM
AV:N/AC:H/Au:N/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
4.9 4.9 [email protected]

Weakness enumeration for CVE-2014-3504

OS Trackers for CVE-2014-3504

vendor priority summary link
debian not yet assigned CVE-2014-3504 not yet assigned priority: Debian including 1 source packages (serf), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-3504
gentoo normal CVE-2014-3504: 1 GLSA(s) (201610-05), 2 atom(s) (dev-vcs/subversion, net-libs/serf); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-3504
ubuntu medium CVE-2014-3504 medium priority: Ubuntu including 1 source packages (serf), 4 status rows across 4 suites (lucid, precise, trusty, upstream): released 3, ignored 1. https://ubuntu.com/security/CVE-2014-3504

NVD evaluator notes for CVE-2014-3504

Comment: <a href="http://cwe.mitre.org/data/definitions/297.html" target="_blank">CWE-297: Improper Validation of Certificate with Host Mismatch</a>

Affected software / configurations for CVE-2014-3504

Vendor Product Version Raw CPE
apache subversion 1.4.0 cpe:2.3:a:apache:subversion:1.4.0:*:*:*:*:*:*:*
apache subversion 1.4.1 cpe:2.3:a:apache:subversion:1.4.1:*:*:*:*:*:*:*
apache subversion 1.4.2 cpe:2.3:a:apache:subversion:1.4.2:*:*:*:*:*:*:*
apache subversion 1.4.3 cpe:2.3:a:apache:subversion:1.4.3:*:*:*:*:*:*:*
apache subversion 1.4.4 cpe:2.3:a:apache:subversion:1.4.4:*:*:*:*:*:*:*
apache subversion 1.4.5 cpe:2.3:a:apache:subversion:1.4.5:*:*:*:*:*:*:*
apache subversion 1.4.6 cpe:2.3:a:apache:subversion:1.4.6:*:*:*:*:*:*:*
apache subversion 1.5.0 cpe:2.3:a:apache:subversion:1.5.0:*:*:*:*:*:*:*
apache subversion 1.5.1 cpe:2.3:a:apache:subversion:1.5.1:*:*:*:*:*:*:*
apache subversion 1.5.2 cpe:2.3:a:apache:subversion:1.5.2:*:*:*:*:*:*:*
apache subversion 1.5.3 cpe:2.3:a:apache:subversion:1.5.3:*:*:*:*:*:*:*
apache subversion 1.5.4 cpe:2.3:a:apache:subversion:1.5.4:*:*:*:*:*:*:*
apache subversion 1.5.5 cpe:2.3:a:apache:subversion:1.5.5:*:*:*:*:*:*:*
apache subversion 1.5.6 cpe:2.3:a:apache:subversion:1.5.6:*:*:*:*:*:*:*
apache subversion 1.5.7 cpe:2.3:a:apache:subversion:1.5.7:*:*:*:*:*:*:*
apache subversion 1.5.8 cpe:2.3:a:apache:subversion:1.5.8:*:*:*:*:*:*:*
apache subversion 1.6.0 cpe:2.3:a:apache:subversion:1.6.0:*:*:*:*:*:*:*
apache subversion 1.6.1 cpe:2.3:a:apache:subversion:1.6.1:*:*:*:*:*:*:*
apache subversion 1.6.2 cpe:2.3:a:apache:subversion:1.6.2:*:*:*:*:*:*:*
apache subversion 1.6.3 cpe:2.3:a:apache:subversion:1.6.3:*:*:*:*:*:*:*
apache subversion 1.6.4 cpe:2.3:a:apache:subversion:1.6.4:*:*:*:*:*:*:*
apache subversion 1.6.5 cpe:2.3:a:apache:subversion:1.6.5:*:*:*:*:*:*:*
apache subversion 1.6.6 cpe:2.3:a:apache:subversion:1.6.6:*:*:*:*:*:*:*
apache subversion 1.6.7 cpe:2.3:a:apache:subversion:1.6.7:*:*:*:*:*:*:*
apache subversion 1.6.8 cpe:2.3:a:apache:subversion:1.6.8:*:*:*:*:*:*:*
apache subversion 1.6.9 cpe:2.3:a:apache:subversion:1.6.9:*:*:*:*:*:*:*
apache subversion 1.6.10 cpe:2.3:a:apache:subversion:1.6.10:*:*:*:*:*:*:*
apache subversion 1.6.11 cpe:2.3:a:apache:subversion:1.6.11:*:*:*:*:*:*:*
apache subversion 1.6.12 cpe:2.3:a:apache:subversion:1.6.12:*:*:*:*:*:*:*
apache subversion 1.6.13 cpe:2.3:a:apache:subversion:1.6.13:*:*:*:*:*:*:*
apache subversion 1.6.14 cpe:2.3:a:apache:subversion:1.6.14:*:*:*:*:*:*:*
apache subversion 1.6.15 cpe:2.3:a:apache:subversion:1.6.15:*:*:*:*:*:*:*
apache subversion 1.6.16 cpe:2.3:a:apache:subversion:1.6.16:*:*:*:*:*:*:*
apache subversion 1.6.17 cpe:2.3:a:apache:subversion:1.6.17:*:*:*:*:*:*:*
apache subversion 1.6.18 cpe:2.3:a:apache:subversion:1.6.18:*:*:*:*:*:*:*
apache subversion 1.6.19 cpe:2.3:a:apache:subversion:1.6.19:*:*:*:*:*:*:*
apache subversion 1.6.20 cpe:2.3:a:apache:subversion:1.6.20:*:*:*:*:*:*:*
apache subversion 1.6.21 cpe:2.3:a:apache:subversion:1.6.21:*:*:*:*:*:*:*
apache subversion 1.6.23 cpe:2.3:a:apache:subversion:1.6.23:*:*:*:*:*:*:*
apache subversion 1.7.0 cpe:2.3:a:apache:subversion:1.7.0:*:*:*:*:*:*:*
apache subversion 1.7.1 cpe:2.3:a:apache:subversion:1.7.1:*:*:*:*:*:*:*
apache subversion 1.7.2 cpe:2.3:a:apache:subversion:1.7.2:*:*:*:*:*:*:*
apache subversion 1.7.3 cpe:2.3:a:apache:subversion:1.7.3:*:*:*:*:*:*:*
apache subversion 1.7.4 cpe:2.3:a:apache:subversion:1.7.4:*:*:*:*:*:*:*
apache subversion 1.7.5 cpe:2.3:a:apache:subversion:1.7.5:*:*:*:*:*:*:*
apache subversion 1.7.6 cpe:2.3:a:apache:subversion:1.7.6:*:*:*:*:*:*:*
apache subversion 1.7.7 cpe:2.3:a:apache:subversion:1.7.7:*:*:*:*:*:*:*
apache subversion 1.7.8 cpe:2.3:a:apache:subversion:1.7.8:*:*:*:*:*:*:*
apache subversion 1.7.9 cpe:2.3:a:apache:subversion:1.7.9:*:*:*:*:*:*:*
apache subversion 1.7.10 cpe:2.3:a:apache:subversion:1.7.10:*:*:*:*:*:*:*
apache subversion 1.7.11 cpe:2.3:a:apache:subversion:1.7.11:*:*:*:*:*:*:*
apache subversion 1.7.12 cpe:2.3:a:apache:subversion:1.7.12:*:*:*:*:*:*:*
apache subversion 1.7.13 cpe:2.3:a:apache:subversion:1.7.13:*:*:*:*:*:*:*
apache subversion 1.7.14 cpe:2.3:a:apache:subversion:1.7.14:*:*:*:*:*:*:*
apache subversion 1.7.15 cpe:2.3:a:apache:subversion:1.7.15:*:*:*:*:*:*:*
apache subversion 1.7.16 cpe:2.3:a:apache:subversion:1.7.16:*:*:*:*:*:*:*
apache subversion 1.7.17 cpe:2.3:a:apache:subversion:1.7.17:*:*:*:*:*:*:*
apache subversion 1.8.0 cpe:2.3:a:apache:subversion:1.8.0:*:*:*:*:*:*:*
apache subversion 1.8.1 cpe:2.3:a:apache:subversion:1.8.1:*:*:*:*:*:*:*
apache subversion 1.8.2 cpe:2.3:a:apache:subversion:1.8.2:*:*:*:*:*:*:*
apache subversion 1.8.3 cpe:2.3:a:apache:subversion:1.8.3:*:*:*:*:*:*:*
apache subversion 1.8.4 cpe:2.3:a:apache:subversion:1.8.4:*:*:*:*:*:*:*
apache subversion 1.8.5 cpe:2.3:a:apache:subversion:1.8.5:*:*:*:*:*:*:*
apache subversion 1.8.6 cpe:2.3:a:apache:subversion:1.8.6:*:*:*:*:*:*:*
apache subversion 1.8.7 cpe:2.3:a:apache:subversion:1.8.7:*:*:*:*:*:*:*
apache subversion 1.8.8 cpe:2.3:a:apache:subversion:1.8.8:*:*:*:*:*:*:*
apache subversion 1.8.9 cpe:2.3:a:apache:subversion:1.8.9:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
serf_project serf 0.2.0 cpe:2.3:a:serf_project:serf:0.2.0:*:*:*:*:*:*:*
serf_project serf 0.3.0 cpe:2.3:a:serf_project:serf:0.3.0:*:*:*:*:*:*:*
serf_project serf 0.3.1 cpe:2.3:a:serf_project:serf:0.3.1:*:*:*:*:*:*:*
serf_project serf 0.4.0 cpe:2.3:a:serf_project:serf:0.4.0:*:*:*:*:*:*:*
serf_project serf 0.5.0 cpe:2.3:a:serf_project:serf:0.5.0:*:*:*:*:*:*:*
serf_project serf 0.6.0 cpe:2.3:a:serf_project:serf:0.6.0:*:*:*:*:*:*:*
serf_project serf 0.6.1 cpe:2.3:a:serf_project:serf:0.6.1:*:*:*:*:*:*:*
serf_project serf 0.7.0 cpe:2.3:a:serf_project:serf:0.7.0:*:*:*:*:*:*:*
serf_project serf 0.7.1 cpe:2.3:a:serf_project:serf:0.7.1:*:*:*:*:*:*:*
serf_project serf 0.7.2 cpe:2.3:a:serf_project:serf:0.7.2:*:*:*:*:*:*:*
serf_project serf 1.0.0 cpe:2.3:a:serf_project:serf:1.0.0:*:*:*:*:*:*:*

References for CVE-2014-3504

cvelogic Threat Intelligence