Resource exhaustion in Siemens Simatic S7-200 Smart Sr CPU
CVE-2020-7584
A vulnerability has been identified in SIMATIC S7-200 SMART CPU family (All versions >= V2.2 < V2.5.1). Affected devices do not properly handle large numbers of new incomming connections and could crash under certain circumstances. An attacker may leverage this to cause a Denial-of-Service situation.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.010 (60.6th 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
- productcert@siemens.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-7584?
- CVE-2020-7584 is a high-severity vulnerability in Siemens Simatic S7-200 Smart Sr CPU, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-07-14.
- How severe is CVE-2020-7584?
- High severity. CVSS v3 base score is 7.5 out of 10.