Vulnerability · Published Jul 14, 2020 · Assigned by siemens

CVE-2020-7584

High 7.5

In plain English

A high-severity uncontrolled resource consumption in SIMATIC S7-200 SMART CPU family from Siemens AG. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).

Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.0%top 35.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Siemens AG SIMATIC S7-200 SMART CPU family All versions >= V2.2 < V2.5.1

Weakness: CWE-400

References