CVE-2014-4684

The database server in Siemens SIMATIC WinCC before 7.3, as used in PCS7 and other products, allows remote authenticated users to gain privileges via a request to TCP port 1433.

Published: 2014-07-24 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-4684 is rated Moderate Risk (48.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.34%). 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-2014-4684

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 0.37% 1.34% +0.98%
2 2025-03-27 0.50% 0.37% -0.13%
3 2025-03-19 — 0.50% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-4684

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.0 2.0 MEDIUM
AV:N/AC:M/Au:S/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 6.8 6.4 [email protected]

Weakness enumeration for CVE-2014-4684

Affected software / configurations for CVE-2014-4684

Vendor Product Version Raw CPE
siemens simatic_pcs7 <= 8.0 cpe:2.3:a:siemens:simatic_pcs7:*:sp1:*:*:*:*:*:*
siemens simatic_pcs7 7.1 cpe:2.3:a:siemens:simatic_pcs7:7.1:sp3:*:*:*:*:*:*
siemens simatic_pcs7 8.0 cpe:2.3:a:siemens:simatic_pcs7:8.0:*:*:*:*:*:*:*
siemens wincc <= 7.2 cpe:2.3:a:siemens:wincc:*:*:*:*:*:*:*:*
siemens wincc 5.0 cpe:2.3:a:siemens:wincc:5.0:*:*:*:*:*:*:*
siemens wincc 5.0 cpe:2.3:a:siemens:wincc:5.0:sp1:*:*:*:*:*:*
siemens wincc 6.0 cpe:2.3:a:siemens:wincc:6.0:*:*:*:*:*:*:*
siemens wincc 6.0 cpe:2.3:a:siemens:wincc:6.0:sp2:*:*:*:*:*:*
siemens wincc 6.0 cpe:2.3:a:siemens:wincc:6.0:sp3:*:*:*:*:*:*
siemens wincc 6.0 cpe:2.3:a:siemens:wincc:6.0:sp4:*:*:*:*:*:*
siemens wincc 7.0 cpe:2.3:a:siemens:wincc:7.0:*:*:*:*:*:*:*
siemens wincc 7.0 cpe:2.3:a:siemens:wincc:7.0:sp1:*:*:*:*:*:*
siemens wincc 7.0 cpe:2.3:a:siemens:wincc:7.0:sp2:*:*:*:*:*:*
siemens wincc 7.0 cpe:2.3:a:siemens:wincc:7.0:sp3:*:*:*:*:*:*
siemens wincc 7.1 cpe:2.3:a:siemens:wincc:7.1:*:*:*:*:*:*:*
siemens wincc 7.1 cpe:2.3:a:siemens:wincc:7.1:sp1:*:*:*:*:*:*

References for CVE-2014-4684

cvelogic Threat Intelligence