Summary
A vulnerability has been identified in the SIMATIC S7-1500 CPU family and related products that could allow an attacker to cause a denial of service condition. In order to exploit the vulnerability, an attacker must have access to the affected devices on port 102/tcp.
Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens is preparing further updates and recommends specific countermeasures for products where updates are not, or not yet available.
Vulnerabilities 1
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High 7.5
Affected devices improperly handle specially crafted packets sent to port 102/tcp. This could allow an attacker to crea…
Revision history
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#3
Added fix for SIMATIC ET 200SP Open Controller CPU 1515SP PC2, SIPLUS S7-1500 CPU 1517H-3 PN (6AG1517-3HP00-4AB0) and SIPLUS S7-1500 CPU 1518HF-4 PN (6AG1518-4JP00-4AB0)
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#2
Added fix version information for following SIMATIC S7-1500 CPUs: 1513R-1 PN (6ES7513-1RM03-0AB0), 1515R-2 PN (6ES7515-2RN03-0AB0), 1517H-3 PN (6ES7517-3HP00-0AB0), 1518HF-4 PN (6ES7518-4JP00-0AB0) and SIMATIC S7-1500 Software Controller
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#1
Publication Date
References
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SSA-592380: Denial of Service Vulnerability in SIMATIC S7-1500 CPUs and related products - HTML Version
https://cert-portal.siemens.com/productcert/html/ssa-592380.html
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SSA-592380: Denial of Service Vulnerability in SIMATIC S7-1500 CPUs and related products - PDF Version
https://cert-portal.siemens.com/productcert/pdf/ssa-592380.pdf
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SSA-592380: Denial of Service Vulnerability in SIMATIC S7-1500 CPUs and related products - TXT Version
https://cert-portal.siemens.com/productcert/txt/ssa-592380.txt