VULNERABILITY INTELLIGENCE

CVE-2017-1000230

CVSS score7.5 HIGH
EPSS probability1.03%
CISA KEVNot currently listed
Published2017-11-17
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

The Snap7 Server version 1.4.1 can be crashed when the ItemCount field of the ReadVar or WriteVar functions of the S7 protocol implementation in Snap7 are provided with unexpected input, thus resulting in denial of service attack.

Weakness classification

  • nvd@nist.gov: CWE-20

Primary references