Summary
A vulnerability was identified in several SCALANCE X switches that could
allow an attacker to feed information into a network via the mirror port
with the monitor barrier feature enabled.
Siemens has released updates for the affected products and recommends to update to the latest versions.
Vulnerabilities 1
-
Unscored —
The monitor barrier of the affected products insufficiently blocks data from being forwarded over the mirror port into …
Revision history
-
#5
Added fix for SCALANCE X-200 switch family
-
#4
Errata: removed wrong fix release information for SCALANCE X-200 switch family; listed all affected SCALANCE products explicitly
-
#3
SIPLUS devices now explicitly mentioned in the list of affected products; added solution for SCALANCE X-300/X408
-
#2
Added solution for SCALANCE X-200
-
#1
Publication date
References
-
SSA-557804: Mirror Port Isolation Vulnerability in SCALANCE X Switches - TXT Version
https://cert-portal.siemens.com/productcert/txt/ssa-557804.txt
-
SSA-557804: Mirror Port Isolation Vulnerability in SCALANCE X Switches - PDF Version
https://cert-portal.siemens.com/productcert/pdf/ssa-557804.pdf
-
ICS Advisory ICSA-19-085-01 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-19-085-01
-
Recommended Practices
https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
-
Recommended Practices
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
-
Recommended Practices
https://www.cisa.gov/topics/industrial-control-systems
-
Recommended Practices
https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
-
Recommended Practices
https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
-
Recommended Practices
https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B