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01 Record

CVE-2014-2256

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 ISO-TSAP packets, a different vulnerability

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

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 ISO-TSAP packets, a different vulnerability

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.67% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 89.3% of scored records. A rank, not a probability.
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2014-03-22 01:00Z12 YR AGO
Last updated
2024-08-06 10:06Z2 YR AGO
Reserved
2014-02-28
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
65cfa52ab4e8b21895780b3690498a6ed097465baa371b26f602a5d4123f1955

05 Affected products

VendorProductVersionsPlatforms
siemenssimatic_s7_cpu-1211cNot specified—
siemenssimatic_s7_cpu_1200_firmwareNot specified—
siemenssimatic_s7_cpu_1212cNot specified—
siemenssimatic_s7_cpu_1214cNot specified—
siemenssimatic_s7_cpu_1215cNot specified—
siemenssimatic_s7_cpu_1217cNot specified—

06 References