CVE-2021-31889CWE-191

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303)…

High · published November 9, 2021

CVSS v3.1
7.5
EPSS
2%
Percentile
82.2
In the wild
Unconfirmed
What it is

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), PLUSCONTROL 1st Gen (All versions), SIMOTICS CONNECT 400 (All versions < V0.5.0.0). Malformed TCP packets with a corrupted SACK option leads to Information Leaks and Denial-of-Service conditions. (FSMD-2021-0015)

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.02175 · 82.2th percentile
Weakness
CWE-191 · Integer Underflow (Wrap or Wraparound)
Published
2021-11-09T11:32Z
EPSS history
Timeline
  • 09 NOV 11:32Z
    A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303)…
    cvelistv5