CVE-2020-22552

The Snap7 server component in version 1.4.1, when an attacker sends a crafted packet with COTP protocol the last-data-unit flag set to No and S7 writes a var…

published October 28, 2020

CVSS
—
EPSS
1%
Percentile
73.6
In the wild
Unconfirmed
What it is

The Snap7 server component in version 1.4.1, when an attacker sends a crafted packet with COTP protocol the last-data-unit flag set to No and S7 writes a var function, the Snap7 server will be crashed.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01473 · 73.6th percentile
Published
2020-10-28T13:51Z
EPSS history
Timeline
  • 28 OCT 13:51Z
    The Snap7 server component in version 1.4.1, when an attacker sends a crafted packet with COTP protocol the last-data-unit flag set to No and S7 writes a var…
    cvelistv5