Resource exhaustion in Siemens Simatic_s7-300_cpu

CVE-2019-18336

A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V3.X.17), SIMATIC TDC CP51M1 (All versions < V1.1.8), SIMATIC TDC CPU555 (All versions < V1.1.1), SINUMERIK 840…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.003 (48.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-18336?
CVE-2019-18336 is a high-severity vulnerability in Siemens Simatic_s7-300_cpu, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-03-10.
How severe is CVE-2019-18336?
High severity. CVSS v3 base score is 7.5 out of 10.