Search/CVE-2020-28397
● CVE — Medium

CVE-2020-28397

VendorsiemensProducttim 1531 irc firmware, simatic s7-1500 software controller, cpu 1211c firmware, cpu 1212c firmware, cpu 1212fc firmware, cpu 1214c firmware, cpu 1214fc firmware, cpu 1215c firmware, cpu 1215fc firmware, cpu 1217c firmware, cpu 1504d tf firmware, cpu 1507d tf firmware, cpu 1515sp pc2 tf firmware, simatic s7-plcsim advanced firmware, siplus cpu-1516f-3 pn/dp firmware, siplus cpu 1510sp f-1pn firmware, siplus cpu 1511-1 pn firmware, siplus cpu 1511f-1 pn firmware, siplus cpu 1512sp-1 pn firmware, siplus cpu 1512sp f-1pn firmware, siplus cpu 1513-1 pn firmware, siplus cpu 1513f-1 pn firmware, siplus cpu 1516-3 pn/dp firmware, siplus cpu 1518-4 pn/dp firmware, siplus cpu 1518f-4 pn/dp firmwareDiscoveredAug 10, 2021UpdatedNov 21, 2024

A vulnerability has been identified in SIMATIC Drive Controller family (All versions V2 V2.5 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 v3.1
5.3 MEDIUM
EPSS
0.75%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityLOW
IntegrityNONE
AvailabilityNONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Connections
26 relationships
Timeline
disclosure → media coverage
Aug 10, 2021
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024