CVE-2020-27632

In SIMATIC MV400 family versions prior to v7.0.6, the ISN generator is initialized with a constant value and has constant increments

published March 10, 2021

CVSS
—
EPSS
2%
Percentile
81.9
In the wild
Unconfirmed
What it is

In SIMATIC MV400 family versions prior to v7.0.6, the ISN generator is initialized with a constant value and has constant increments. An attacker could predict and hijack TCP sessions.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02139 · 81.9th percentile
Published
2021-03-10T00:00Z
EPSS history
Timeline
  • 10 MAR 00:00Z
    In SIMATIC MV400 family versions prior to v7.0.6, the ISN generator is initialized with a constant value and has constant increments
    cvelistv5