CVE-2021-33737CWE-119

A vulnerability has been identified in SIMATIC CP 343-1 (incl

High · published September 14, 2021

CVSS v3.1
7.5
EPSS
1%
Percentile
64.1
In the wild
Unconfirmed
What it is

A vulnerability has been identified in SIMATIC CP 343-1 (incl. SIPLUS variants) (All versions), SIMATIC CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC CP 343-1 ERPC (All versions), SIMATIC CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC CP 443-1 (All versions < V3.3), SIMATIC CP 443-1 (All versions < V3.3), SIMATIC CP 443-1 Advanced (All versions < V3.3), SIPLUS NET CP 443-1 (All versions < V3.3), SIPLUS NET CP 443-1 Advanced (All versions < V3.3). Sending a specially crafted packet to port 102/tcp of an affected device could cause a denial of service condition. A restart is needed to restore normal operations.

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/E:P/RL:U/RC:C
CVSS v4.0
Not supplied
EPSS
0.01056 · 64.1th percentile
Weakness
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2021-09-14T10:47Z
EPSS history
Timeline
  • 14 SEP 10:47Z
    A vulnerability has been identified in SIMATIC CP 343-1 (incl
    cvelistv5