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CVE-2018-4850

nvd nist
Published: May 16, 2018Modified: Nov 21, 2024

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7.5
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

A vulnerability has been identified in SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below (All versions), SIMATIC S7-400 (incl. F) CPU hardware version 5.0 (All firmware versions < V5.2), SIMATIC S7-400H CPU hardware version 4.5 and below (All versions). The affected CPUs improperly validate S7 communication packets which could cause a Denial-of-Service condition of the CPU. The CPU will remain in DEFECT mode until manual restart.

Affected (3)

Siemens
2 products
Simatic S7 400 Firmware
Simatic S7 400h Firmware
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Simatic S7 400 Firmware
Up to 4.0
Configuration B
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Simatic S7 400 Firmware
Before 5.2
Running on/withPlatform Versions
Siemens
Simatic S7 400
All versions
Configuration C
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Simatic S7 400h Firmware
Up to 4.5
Running on/withPlatform Versions
Siemens
Simatic S7 400h
All versions

Related CWEs

CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (6)

Source: productcert@siemens.com
Third Party AdvisoryVDB Entry
Source: productcert@siemens.com
Vendor Advisory
Source: productcert@siemens.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.