CVE-2021-37199

HIGH

Siemens Sinumerik 808d Firmware < 4.95 - Out-of-Bounds Write

Title source: rule
STIX 2.1

Description

A vulnerability has been identified in SINUMERIK 808D (All versions), SINUMERIK 828D (All versions < V4.95). Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial-of-service in the device.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0014
EPSS Percentile 34.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-122 CWE-787
Status published
Products (2)
siemens/sinumerik_808d_firmware
siemens/sinumerik_828d_firmware < 4.95
Published Oct 12, 2021
Tracked Since Feb 18, 2026