CVE-2020-28397: Medium severity siemens cpu 1504d tf firmware vulnerability
A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V21.9), SIMATIC S7 PLCSIM Advanced (All versions > V2 < V4), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (Version V4.4), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions > V2.5 < V2.9.2), SIMATIC S7-1500 Software Controller (All versions > V2.5 < V21.9), TIM 1531 IRC (incl. SIPLUS NET variants) (Version V2.1). Due to an incorrect authorization check in the affected component, an attacker could extract information about access protected PLC program variables over port 102/tcp from an affected device when reading multiple attributes at once.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2020-28397?
CVE-2020-28397 has been classified as a high-severity vulnerability affecting various Siemens Drive Controller products.
How do I fix CVE-2020-28397?
To fix CVE-2020-28397, update affected software to the versions specified in the Siemens security advisory.
What products are affected by CVE-2020-28397?
CVE-2020-28397 affects several Siemens products including the SIMATIC Drive Controller family and the SIMATIC ET 200SP Open Controller among others.
Is CVE-2020-28397 being exploited in the wild?
As of now, there is no public information indicating that CVE-2020-28397 is actively being exploited in the wild.
Can CVE-2020-28397 impact my operational technology systems?
Yes, CVE-2020-28397 can pose a significant risk to operational technology systems utilizing affected Siemens products.