Denial of Service Risk in Siemens Devices
CVE-2021-44694
5.5MEDIUM
Key Information:
Summary
Certain Siemens industrial devices are susceptible to a vulnerability related to the improper handling of specially crafted packets transmitted to TCP port 102. Exploiting this flaw may enable an attacker to create a denial of service condition, disrupting operations and potentially leading to significant downtime.
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
References
CVSS V3.1
Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved