Denial of Service Vulnerability in Siemens Products
CVE-2021-44695
4.9MEDIUM
Key Information:
What is CVE-2021-44695?
Certain Siemens devices are vulnerable to a denial of service attack when processing specifically crafted packets sent to port 102/tcp. This flaw can prevent affected devices from functioning correctly, potentially leading to disruption of services. Organizations using these devices should implement mitigations to reduce exposure to such attacks.
Affected Version(s)
SIMATIC Drive Controller CPU 1504D TF All versions < V2.9.7
SIMATIC Drive Controller CPU 1507D TF All versions < V2.9.7
SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) All versions < V21.9.7