What is CVE-2017-1000230?

CVE-2017-1000230 is a high-severity vulnerability in Snap7 Project Server, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2017-11-17.

How severe is CVE-2017-1000230?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Snap7 Project Server

CVE-2017-1000230

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.010 (60.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Snap7_project Snap7_server — versions 1.4.1
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2017-1000230?: CVE-2017-1000230 is a high-severity vulnerability in Snap7 Project Server, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2017-11-17.
How severe is CVE-2017-1000230?: High severity. CVSS v3 base score is 7.5 out of 10.