CVE-2021-37204 
A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC Drive Controller family (All versions >= V2.9.2 < V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V21.9), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions >= V21.9 < V21.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 Ready4Linux (All versions), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.5.0), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions >= V4.5.0 < V4.5.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V2.9.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions >= V2.9.2 < V2.9.4), SIMATIC S7-1500 Software Controller (All versions < V21.9), SIMATIC S7-1500 Software Controller (All versions >= V21.9 < V21.9.4), SIMATIC S7-PLCSIM Advanced (All versions < V4.0), SIMATIC S7-PLCSIM Advanced (All versions >= V4.0 < V4.0 SP1), SIPLUS TIM 1531 IRC (All versions < V2.3.6), TIM 1531 IRC (All versions < V2.3.6). An unauthenticated attacker could cause a denial-of-service condition in a PLC when sending specially prepared packet over port 102/tcp. A restart of the affected device is needed to restore normal operations.
Problem types: cwe_id: CWE-672
description: CWE-672: Operation on a Resource after Expiration or Release
Affected products: vendor: Siemens
product: SIMATIC Drive Controller family
default_status: unknown
vendor: Siemens
product: SIMATIC Drive Controller family
default_status: unknown
vendor: Siemens
product: SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants)
default_status: unknown
vendor: Siemens
product: SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)
default_status: unknown
vendor: Siemens
product: SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)
default_status: unknown
vendor: Siemens
product: SIMATIC ET 200SP Open Controller CPU 1515SP PC2 Ready4Linux
default_status: unknown
vendor: Siemens
product: SIMATIC S7-1200 CPU family (incl. SIPLUS variants)
default_status: unknown
vendor: Siemens
product: SIMATIC S7-1200 CPU family (incl. SIPLUS variants)
default_status: unknown
vendor: Siemens
product: SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants)
default_status: unknown
vendor: Siemens
product: SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants)
default_status: unknown
vendor: Siemens
product: SIMATIC S7-1500 Software Controller
default_status: unknown
vendor: Siemens
product: SIMATIC S7-1500 Software Controller
default_status: unknown
vendor: Siemens
product: SIMATIC S7-PLCSIM Advanced
default_status: unknown
vendor: Siemens
product: SIMATIC S7-PLCSIM Advanced
default_status: unknown
vendor: Siemens
product: SIPLUS TIM 1531 IRC
default_status: unknown
vendor: Siemens
product: TIM 1531 IRC
default_status: unknown
CVSS v3.1: version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
baseScore: 7.5
baseSeverity: HIGH
Published: 2022-02-09T15:16:56.000Z