CVE-2020-28397

Description

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.

CVSS 3.1

5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS

0.75% probability · 53th percentile

CISA KEV

Not listed

Weakness

CWE-863

Affected

siemens/cpu 1504d tf firmware · siemens/cpu 1507d tf firmware · siemens/cpu 1515sp pc2 tf firmware · siemens/simatic s7 plcsim advanced firmware · siemens/simatic s7-1500 software controller · siemens/tim 1531 irc firmware · siemens/cpu 1211c firmware · siemens/cpu 1212c firmware · siemens/cpu 1212fc firmware · siemens/cpu 1214fc firmware · siemens/cpu 1214c firmware · siemens/cpu 1215fc firmware · siemens/cpu 1215c firmware · siemens/cpu 1217c firmware · siemens/siplus cpu 1510sp f-1pn firmware · siemens/siplus cpu 1511-1 pn firmware · siemens/siplus cpu 1511f-1 pn firmware · siemens/siplus cpu 1512sp-1 pn firmware · siemens/siplus cpu 1512sp f-1pn firmware · siemens/siplus cpu 1513-1 pn firmware · +36 more

Source

productcert@siemens.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.