CVE-2014-2252

Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted PROFINET packets, a different vulnerability than CVE-2014-2253.

Published: 2014-03-24 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-2252 is rated Moderate Risk (48.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.24%). EPSS rose +1.08% over the last day, indicating growing attacker interest. 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-2014-2252

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 0.16% 1.24% +1.08%
2 2025-04-27 0.50% 0.16% -0.34%
3 2025-03-30 — 0.50% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-2252

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.1 2.0 MEDIUM
AV:A/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 6.5 6.9 [email protected]

Weakness enumeration for CVE-2014-2252

Affected software / configurations for CVE-2014-2252

Vendor Product Version Raw CPE
siemens simatic_s7_cpu_1200_firmware <= 3.0.2 cpe:2.3:o:siemens:simatic_s7_cpu_1200_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7_cpu_1200_firmware 3.0 cpe:2.3:o:siemens:simatic_s7_cpu_1200_firmware:3.0:*:*:*:*:*:*:*
siemens simatic_s7_cpu-1211c — cpe:2.3:h:siemens:simatic_s7_cpu-1211c:-:*:*:*:*:*:*:*
siemens simatic_s7_cpu_1212c — cpe:2.3:h:siemens:simatic_s7_cpu_1212c:-:*:*:*:*:*:*:*
siemens simatic_s7_cpu_1214c — cpe:2.3:h:siemens:simatic_s7_cpu_1214c:-:*:*:*:*:*:*:*
siemens simatic_s7_cpu_1215c — cpe:2.3:h:siemens:simatic_s7_cpu_1215c:-:*:*:*:*:*:*:*
siemens simatic_s7_cpu_1217c — cpe:2.3:h:siemens:simatic_s7_cpu_1217c:-:*:*:*:*:*:*:*

References for CVE-2014-2252

cvelogic Threat Intelligence