CVE-2018-4850CWE-20

A vulnerability has been identified in SIMATIC S7-400 (incl

published May 16, 2018

CVSS
—
EPSS
2%
Percentile
84.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02422 · 84.0th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2018-05-16T17:00Z
EPSS history
Timeline
  • 16 MAY 17:00Z
    A vulnerability has been identified in SIMATIC S7-400 (incl
    cvelistv5